Marrathon.com - Dave Marra's Web Site!

Marrathon.com - Dave Marra's Web Site!

Marrathon.com - Dave Marra's Web Site!

Marrathon.com - Dave Marra's Web Site!

Switch to Year view in Calendar

In Calendar, to switch to Year view, press Command-4.

Move forward by the visible width of the timeline in GarageBand

In GarageBand, press Page Down (Fn-Down Arrow) to move forward by the visible width of the project timeline.

Toggle on or off font previews in Numbers

In Numbers, to toggle on or off font previews in the Format Bar font menu, hold the Option key, then click the menu.

Show scheduled reminders that are due today in Reminders

In Reminders, to show scheduled reminders that are due (or overdue) today, choose View> Go to Today, or press Command-T.

Preview the previous page of a document in Quick Look

When previewing a multi-page document with Quick Look, press Fn-Up Arrow to preview the previous page.

Save a PDF file of calendar in iPhoto

In iPhoto, to save a PDF file of a calendar, Option-click the Buy button, then enter a name and click Save.

Store messages in an Archive mailbox in Mail

In Mail, to store messages in an Archive mailbox, select one or more message to archive, then choose Message> Archive.

Add a movie to a document in TextEdit

In TextEdit, to place a movie into a rich text document, drag the movie from the Finder into your document.

Toggle on or off font previews in Keynote

In Keynote, to toggle on or off font previews in the Format Bar font menu, hold the Option key, then click the menu.

Password-protect a document in Pages

In Pages, to add a password to a document, show the Inspector, click the Document inspector, click Document, then select "Require password to open".

Show the sidebar in iTunes

In iTunes, to show the sidebar, choose View> Show Sidebar, or press Option-Command-S.

Copy the web address for a link on a webpage in Safari

In Safari, to copy the web address for a link on a webpage, Control-click the link, then choose "Copy Link" from the pop-up menu.

Hide the Messages window in Messages

In Messages, to hide the Messages window, press Command-0, or choose Window> Messages.

Add an image in Preview to iPhoto

When viewing an image in Preview, to add the image to your iPhoto library, click the Share button in the toolbar, then choose "Add to iPhoto" from the pop-up menu.

Automatically align titles and audio clips in iMovie

In iMovie, to automatically align titles and audio clips with the ends of video clips when dragging them in the Project browser, choose View> Snap to Ends.

Password-protect a spreadsheet in Numbers

In Numbers, to add a password to a spreadsheet, show the Inspector, click the Document inspector, then select "Require password to open”.

Open multiple Inspector windows in Pages

In Pages, Option-click any button on the top of the Inspector to open a new Inspector window for that button.

Share a movie to iTunes from QuickTime Player

In QuickTime Player, to share a movie to iTunes, choose File> Export to iTunes, select a size, then click Share.

Mask an image with a predrawn shape in Keynote

In Keynote, to mask an image with a predrawn shape such as a circle or a star, select the image, then choose Format> Mask with Shape and select a shape.

Manage your status messages in Messages

In Messages, to manage your status messages, click your status message in a buddy list, then choose "Edit Status Menu" from the pop-up menu.

Exit out of Reader in Safari

In Safari, when viewing an article with Reader, click the Reader button again to return to the normal webpage view, or press Escape.

Expand all conversations in Mail

In Mail, when organizing messages by conversation, to expand all conversations, choose View> Expand All Conversations.

Open multiple Inspector windows in Numbers

In Numbers, Option-click any button on the top of the Inspector to open a new Inspector window for that button.

Select an object after editing text within it in Pages

In Pages, after typing text within an object, press Command-Return to exit text edit mode and select the object.

Change a reminder list's name in Reminders

In Reminders, to change a reminder list's name, select the list in the sidebar, then click its name, enter a new name, and press Return.

Remove a contact from a group in Contacts

In Contacts, to remove a contact from a group, select the group the contact belongs to, then select the contact and choose Edit> Remove From Group.

Add an item from the sidebar to your Dock

In the Finder, to add an item from the Favorites section of the sidebar to your Dock, Control-click it in the sidebar, then choose "Add to Dock".

Detect grammatical errors as you type in TextEdit

In TextEdit, to detect grammatical errors as you type, choose Edit> Spelling and Grammar> Check Grammar With Spelling.

Organize projects into folders in iMovie

In iMovie, to organize projects into folders, open your Project Library, choose File> New Folder, name it, click Create, then select a project and drag it to the folder.

Select an object after editing text within it in Keynote

In Keynote, after typing text within an object, press Command-Return to exit text edit mode and select the object.

Adjust volume level in smaller increments

Hold Shift-Option when pressing the volume control keys on your keyboard to adjust each level in smaller, more precise increments.

Email a link to a page in Safari

In Safari, to email a link to a page, instead of the entire page itself, press Shift and choose File> Share> Email Link to this Page, or press Shift-Command-I.

Rename a buddy group in Messages

To rename a buddy group in Messages, Control-click the group, choose Rename Group, then type a new name and click Rename.

Float a note in Notes

In Notes, to float a note on top of the other windows on your desktop, open the note in a separate window, then choose Window> Float on Top.

Move forward in a GarageBand project

In GarageBand, press the Right Arrow key to move forward in a project.

Use a keyboard shortcut to search the web from the Spotlight menu

When searching using the Spotlight menu, press Command-B to search the web for the word or phrase in the search field.

Use the Help menu to locate a menu option in any application

In any application, to use the Help menu to locate a menu option, open the Help menu, then type part or all of the option's name in the search field.

Adjust screen brightness level in smaller increments

Hold Shift-Option when pressing the brightness control keys on your keyboard to adjust each level in smaller, more precise increments.

Start playing a song in iTunes

In iTunes, press the Space bar to start playing the selected song.

Make an existing event into an all-day event in Calendar

In Calendar, to make an existing event into an all-day event, double-click the event, click Edit, then select the "all-day" checkbox.

View your Photo Browser as a list in Mail

In Mail, to view your Photo Browser as a list, Control-click any thumbnail, then choose "Display as List" from the pop-up menu.

Pause a call in FaceTime

To pause a call in FaceTime, click the yellow minimize button at the top of the call window when not in full-screen view.

Show or hide the Styles Drawer in Pages

In Pages, to show or hide the Styles Drawer, click the Styles Drawer button in the format bar, or press Shift-Command-T.

Use a movie as a custom backdrop in Photo Booth

In Photo Booth, to use a movie as a custom backdrop, click the Effects button until you reach the User Backdrop pane, then drag a movie into an empty frame.

Change the Cover Flow font size in iTunes

In iTunes, when viewing items with Cover Flow, to change the font size, Control-click an item's artwork, then select a text option from the pop-up menu.

Duplicate a photo in iPhoto

In iPhoto, to duplicate a photo, select the photo, then choose Photos> Duplicate.

Organize selected contacts into their own group in Contacts

In Contacts, to organize selected contacts into their own group, select them, then choose File> New Group From Selection.

Move a reminder from one list to another in Reminders

In Reminders, to move a reminder from one list to another in the sidebar, click below or to the right of its name then drag it to another list.

Add color to a cell, row, or column in Numbers

In Numbers, to add color to a selected cell, row, or column, click the Fill well in the format bar then choose a color.

Speed up playback in the Event browser in iMovie

In Movie, when playing an event in the Event browser, to speed up playback from 1x to 2x or 4x, press the Right Arrow key one or two times, respectively.

Scroll down in larger increments in Safari

In Safari, when using arrow keys to scroll through a web page, press Option-Down Arrow to down scroll in larger increments.

Indent a slide to the right in the Keynote slide navigator

In the Keynote slide navigator, select a slide then press the Tab key to indent it right.

Hide the Movie Inspector in QuickTime Player

In QuickTime Player, to hide the Movie Inspector if it is showing, choose Window> Hide Movie Inspector, or press Command-I.

Create a new track in GarageBand

In GarageBand, to create a new track in a project, press Command-Option-N.

Reorder your reminder lists in Reminders

In Reminders, to reorder your reminder lists, open the sidebar then drag one or more reminder lists up or down.

Adjust the font size in Dictionary

In Dictionary, to adjust the font size used to display definitions, click the “A" button in the toolbar.

Shuffle by albums in iTunes

In iTunes, to shuffle by albums when shuffle is on, choose Controls> Shuffle> By Albums.

Collapse all groups of slides in Keynote

In Keynote, to collapse all groups of slides in the slide navigator at once, choose Slide> Collapse All.

Rotate a movie clip to the right in QuickTime Player

In QuickTime Player, to rotate a movie clip to the right, choose Edit> Rotate Right, or press Shift-Command-R.

Add a picture to a note in Notes

In Notes, to add a picture to a note, drag and drop it onto the note.

Make all rows in a table the same size in Numbers

In Numbers, to make all rows in a table the same size, select any column in the table, then choose Table> Distribute Rows Evenly.

Bookmark a help topic in Help Viewer

In Help Viewer, to bookmark a help topic, click the bookmark icon in the bar at the top of the Help Center window.

Mark a webpage saved in Reading List in Safari as unread

In Safari, to mark a previously-read webpage saved in your Reading List as unread, Control-click it in the list, then choose Mark as Unread from the pop-up menu.

Block all calls and turn FaceTime off

In FaceTime, to block all calls by turning FaceTime off, choose FaceTime> Turn FaceTime Off.

Increase the quote level in Mail

In Mail, to increase the quote level of selected text in a message you are replying to or forwarding, choose Format> Quote Level> Increase.

Scroll down through your notes in Keynote

When delivering a slideshow using the Presenter Display in Keynote, press "d" on your keyboard to scroll down through your notes.

Move an Event to the Trash in iMovie

In iMovie, to move an Event, or Event clip to the Trash, select it, then press Command-Delete.

Insert a numbered list in Mail

In Mail, to insert a numbered list, click where you want the list to begin, then choose Format> Lists> Insert Numbered List.

Flip an image vertically in Preview

In Preview, to flip an image vertically, choose Tools> Flip Vertical.

Enter full-screen view in iPhoto

In iPhoto, press Control-Command-F to enter full-screen view.

Share a video clip using Messages in Photo Booth

In Photo Booth, to share a video clip using Messages, select the video clip's thumbnail, then click the Share button and choose Messages from the pop-up menu.

Add a column after another column in Pages

In Pages, to add a column to a table after another column, select a cell, then Control-click the cell again and choose "Add Column After" from the pop-up menu.

Open your Desktop folder

In the Finder, press Command-Shift-D to open your Desktop folder.

See a reminder list in a separate window in Reminders

In Reminders, to see a reminder list in a separate window, double-click the list in the sidebar.

See a list of recent pages by their web address in Safari

In Safari, to see a list of recent pages by their web address (URL), press the Option key and hold down the Back or Forward button until the list appears.

Add a comment to a slide in Keynote

In Keynote, to add a comment to a slide, click the Comment button in the toolbar or choose Insert> Comment.

Insert a list into a note in Notes

In Notes, to insert a list into a note, choose Format> Lists, then select the type of list to insert.

Turn the metronome on or off in a GarageBand lesson

In GarageBand, when playing a Learn to Play lesson, click the metronome icon in the control bar to turn it on or off.

Increase the size of a movie in QuickTime Player

In QuickTime Player, to increase the size of a movie, press Command-Plus (+).

Reverse the Cover Flow sort order in iTunes

In iTunes, when viewing items with Cover Flow, to reverse the sort order, Control-click an item's artwork, then select "Reverse Sort" from the pop-up menu.

Always display email addresses with names of contacts in Mail

In Mail, to always display email addresses with names of contacts, choose Mail> Preferences, then click Viewing and turn off "Use Smart Addresses".

Close all conversations at once in Messages

In Messages, to close all conversations at once, press Option and choose File>Close All Conversations.

Use your trackpad to open Notification Center

In OS X Mountain Lion, swipe left from the right edge of your trackpad with two fingers to open Notification Center.

Save an image to your Downloads folder in Safari

In Safari, to save an image to your Downloads folder, Control-click the image, then choose "Save Image to Downloads" from the pop-up menu.

Merge cells within a table in TextEdit

In TextEdit, to merge cells within a table, select the table cells, then choose Format> Table and click Merge Cells.

Quickly reset balance levels in GarageBand

In GarageBand, Option-click a track's balance knob to quickly reset its value back to zero.

Make text bigger in Stickies

In Stickies, to make selected text bigger, press Command-Plus (+).

Turn off both the countdown timer and the flash in Photo Booth

In Photo Booth, press Option-Shift while clicking the Shutter button to turn off both the countdown timer and the flash.

See multiple lists at the same time in Reminders

In Reminders, to see multiple lists at the same time, hold down the Command key while clicking each list in the sidebar.

Add a point to an editable shape in Keynote

In Keynote, to add a point to an editable shape, Option-click the shape border where you want the new point to be added.

Scroll to the beginning of a sheet in Numbers

In Numbers, press Fn-Left Arrow to quickly scroll to the beginning of the selected sheet.

Change the aspect ratio for a project in iMovie

In iMovie, to change the aspect ratio for a selected project, choose File> Project Properties, then choose an option from the Aspect Ratio pop-up menu.

Zoom in Safari

In Safari, press Command-Plus (+) to zoom in.

Add an item to your Dock

In the Finder, select an item, then press Shift-Command-T to add it to your Dock.

Share a note via email in Notes

In Notes, to share a note via email, display the note, then click the Share button at the bottom of the notepad and choose Email from the pop-up menu.

Change the name order for all contacts in Contacts

In Contacts, to change the name order for all contacts, choose Contacts> Preferences, then click General and select an option for "Show first name".

View highlights and notes in Preview

In Preview, to display in the sidebar all of the highlights and notes added to a PDF document, choose View> Highlights and Notes.

View glossary topics in a Learn to Play lesson in GarageBand

In GarageBand, to view glossary topics in a Learn to Play lesson, click the Glossary button in the upper-right area of the lesson window.

Hide details for a selected event in Calendar

In Calendar, press the Space bar to hide details for a selected event, if the event details are showing.

Turn the volume up to the maximum level in QuickTime Player

In QuickTime Player, press Option-Up Arrow to turn the volume up to the maximum level.

Fast forward a movie in Keynote

In Keynote, when playing a QuickTime movie inserted on a slide, press "l" on your keyboard to fast forward the movie.

Sort your notes in Notes

In Notes, to sort your notes by date edited, date created, or title, choose View> Sort By, and then choose how to sort.

Change info for multiple photos at once in iPhoto

In iPhoto, to change the title, date, or description info for multiple photos at once, select them, then choose Photos> Batch Change.

Hide the visualizer in iTunes

In iTunes, to hide the visualizer if it is showing, choose View> Hide Visualizer, or press Command-T.

Automatically save conversations in Messages

In Messages, to automatically save conversations when you close them, choose Messages> Preferences, then click Messages and select "Save history when conversations are closed".

Make title text smaller in iMovie

In iMovie, when editing title text, press Command-Minus sign (-) to make the selected text smaller.

Select the next reference source in Dictionary

In Dictionary, press Command-Shift-Right Bracket to select the next dictionary reference source.

Duplicate a sheet in Numbers

In Numbers, to duplicate a sheet, Control-click the sheet in the sidebar and choose Duplicate from the pop-up menu.

Make someone a VIP in Mail

In Mail, to make someone a VIP, move the pointer to the left of the sender's name in the message header, then click the star.

Rename a bookmark in your bookmarks bar in Safari

In Safari, to rename a bookmark in your bookmarks bar, click and hold the bookmark, then enter a new name and press Return.

Share a movie with others via email in QuickTime Player

In QuickTime Player, to share a movie with others via email by adding it to a new mail message in Mail, choose File> Share> Email.

Cycle backwards through your lists in Reminders

In Reminders, on a Mac with a Multi-Touch trackpad, to cycle backwards through your lists, place the pointer over your reminders, then swipe left using two fingers.

Insert a PDF into an existing PDF document in Preview

In Preview, to insert a PDF document directly into the pages of an existing PDF document, choose Edit> Insert> Page from File, then select the PDF and click Open.

Move forward through a slideshow in iPhoto

In iPhoto, while playing a slideshow, press the Right Arrow key to move forward through it manually.

Make text superscript in Pages

In Pages, to make text superscript, select the text, then press Control-Command–Plus (+).

Show rulers in Keynote

When editing a slide in Keynote, to show rulers, press Command-R.

Show more months in the mini calendar in Calendar

In Calendar, to show more months in the mini calendar displayed at the bottom of the Calendar List sidebar, drag the top of the mini calendar up.

Close all tabs except for one in Safari

In Safari, to close all tabs except for one, Option-click the close button (X) on the tab that you want to leave open.

Rename a collection in Font Book

In Font Book, to rename a collection, Control-click its name in the Collection column, then choose "Rename" from the pop-up menu.

Resend a message in Mail

In Mail, to resend a message, select it in your Sent mailbox, then choose Message> Send Again, make any changes to the message and click Send.

Quickly unmute a track in GarageBand

In GarageBand, to quickly unmute a muted track, select the track, then press the M key on your keyboard.

Flip a movie clip horizontally in QuickTime Player

In QuickTime Player, to flip a movie clip horizontally, choose Edit> Flip Horizontal.

Go to the next page in App Store

In App Store on a Mac with a Multi-Touch trackpad, swipe right with two fingers to go to the next page.

Trim a video clip in Photo Booth

In Photo Booth, to trim a video clip, select the clip's thumbnail at the bottom of the window, then choose Edit> Trim Movie.

Open the sidebar automatically when opening a PDF in Preview

In Preview, to open the sidebar automatically when opening a PDF, choose Preview> Preferences, then click PDF and select "Always show sidebar".

Open a note in a separate window in Notes

In Notes, to open a note in a separate window, double-click the note in the sidebar.

Turn on or silence audio when skimming video in iMovie

When skimming video in iMovie, to turn on or silence audio, choose View> Audio Skimming, or press Command-K.

Skip to the next album in an iTunes list

While playing a song in iTunes, press Option-Right Arrow to skip to the next album in the list.

Add a row below another row in a table in Pages

In Pages, to add a row below another row in a table, select any cell, then Control-click the cell again and choose "Add Row Below" from the pop-up menu.

Encrypt a disk or removable media in OS X Mountain Lion

In OS X Mountain Lion, to encrypt a disk or removable media, Control-click the disk in the Finder, then choose Encrypt [Your disk name] from the shortcut menu.

Rename a flag in Mail

In Mail, to rename a flag, double-click the color's name in the Flagged section of the sidebar, then type a new name.

Create a folder of widgets in Dashboard

In Dashboard, to create a folder of widgets, press the Plus (+) button, then drag one widget onto another widget.

Navigate forward through your word lookup history in Dictionary

In Dictionary on a Mac with a Multi-Touch trackpad, swipe right with two fingers to navigate forward through your word lookup history.

Quickly show Accessibility Options in OS X Mountain Lion

In OS X Mountain Lion, press Command-Option-F5 at anytime to quickly show the Accessibility Options for Zoom, VoiceOver, Mouse & Keyboard, and Display.

Increase the size of selected text in Keynote

In Keynote on a Mac with a Multi-Touch trackpad, select text on a slide then pinch open to increase its size.

Use a different library in iTunes

In iTunes, to use a different library, hold down the Option key while opening iTunes then click the "Choose Library" button.

Block pop-up windows in Safari

In Safari, to block pop-up windows, choose Safari> Preferences, then click Security and select "Block pop-up windows".

Change the default font used in Notes

In Notes, to change the default font used in new notes, choose Format> Default Font, then select a font from the list.

Open a conversation in a new window in Messages

In Messages, to open a conversation in a new window, double-click the conversation in the sidebar.

Hide the Column Browser in iTunes

In iTunes, to hide the Column Browser, choose View> Column Browser> Hide Column Browser, or press Command-B.

See a pop-up summary of a day's events in Calendar

In Calendar, when viewing by year, click any date in your calendar to see a pop-up summary of that day's events.

Quickly select the search field in Safari

In Safari, press Command-Option-F to quickly select the search field.

Flip an object horizontally in Pages

In Pages, to flip an object horizontally, select the object and choose Arrange> Flip Horizontally.

Play a slideshow of an event in iPhoto

In Events in iPhoto, to play a slideshow of an event, Control-click the event and choose "Play Slideshow" from the pop-up menu.

Preview a file using Quick Look

In the Finder in OS X Mountain Lion on a Mac with a Multi-Touch trackpad, tap with three fingers on a file to instantly preview the file using Quick Look.

Move down one octave in Musical Typing in GarageBand

In GarageBand, when playing a Software Instrument using Musical Typing, press Z to move down one octave.

Share your card via AirDrop in Contacts

In Contacts, to share your card as a vCard to another Mac via AirDrop, choose Card> Share My Card> AirDrop My Card.

Jump to the previous page of effects in Photo Booth

In Photo Booth, press Command-Left Arrow to jump to the previous page of effects in the Effects browser.

Increase the volume in iTunes

When playing an item in iTunes, press Command-Up Arrow to increase the volume.

Group multiple objects on a slide in Keynote

In Keynote, to group multiple objects on a slide, select the objects, then press Option-Command-G.

Temporarily turn off all Notification Center alerts and banners

In OS X Mountain Lion, to temporarily turn off all Notification Center alerts and banners, Option-click the Notification Center icon in the menu bar.

Quickly jump to the top of a message list in Mail

In Mail, click the sort bar at the top of a message list to quickly jump to the top of that list.

Show week numbers in Calendar

In Calendar, to show week numbers in your calendar, choose Calendar> Preferences, then click Advanced and select "Show week numbers".

Hide automation curves in GarageBand

In GarageBand, to hide the automation curve for a track if it is showing, select the track, then press the A key on your keyboard.

Move a chat to a lower location in iChat

In iChat, to move a chat to a lower location in a multi-chat window, click its tab, then drag it down in the list.

Zoom in Places in iPhoto

In iPhoto, double-click anywhere on the map in Places to zoom in.

Open the video adjustments pane in iMovie

In iMovie, after selecting a clip, press V on the keyboard to open the Video Adjustments pane of its inspector.

Highlight text in a PDF document in Preview

In Preview, to mark up text in a PDF document by highlighting it, choose Tools> Annotate> Highlight Text, then select the text to highlight.

Show all tabs in Safari

When browsing with tabs in Safari on a Mac with a Multi-Touch trackpad, pinch in using two fingers to show all tabs.

Hide your Reminders list in iCal

In iCal, press Command-Option-T to hide your Reminders list if it is showing.

Use rehearsal view in Keynote

In Keynote, to use rehearsal view to practice your presentation, see presenter info, and fine-tune your timing, choose Play> Rehearse Slideshow.

View attachments from multiple messages using QuickLook in Mail

In Mail, to view attachments from multiple messages using QuickLook, select the messages, then choose File> Quick Look Attachments.

Go forward in the main calendar view in iCal

In iCal, press Command-Right Arrow to go forward in the main calendar view.

Move forward in larger increments in a GarageBand project

In GarageBand, press Option-Right Arrow to move forward in larger increments in a project.

Participate using text only in a video chat in iChat

In iChat, when invited to a video chat, to participate using text only, click the invitation icon, then click Text Reply.

Show the footer on a web page made with iWeb

To show the footer on a web page if it is hidden, choose View> Show Inspector> Page Inspector> Layout, then enter a value (other than zero) for the Footer Height.

Move upward through chats in iChat

In iChat, when using a multi-chat window, press Shift-Control-Tab to move upward through each chat.

Play a selected event or project from the beginning in iMovie

In iMovie, to play a selected event or project from the beginning, choose View> Play from Beginning, or press the Backslash (\) key.

Open the weather forecast webpage for a city in Dashboard

In Dashboard, in the Weather widget, click the city name to open the weather forecast webpage for that city.

Rename a page in iWeb

In iWeb, to rename a page, double-click its name in the sidebar on the left of the iWeb window, and type a new name.

Zoom out in GarageBand

In GarageBand, press Option-Control-Left Arrow to zoom out.

Switch tools in Preview

In Preview, press Command-1, Command-2, or Command-3 to use the Move Tool, Text Tool (in a PDF document), or Select Tool, respectively.

Set the default sort order for contacts in Address Book

In Address Book, to set the default sort order for contacts, choose Address Book> Preferences, then click General and use the Sort By pop-up menu to choose whether to sort by first or last name.

Unhide a page from a site navigation menu in iWeb

In iWeb, to unhide a previously-hidden page from the site's navigation menu, select the page then choose Inspector> Page and select "Include page in navigation menu".

Switch between photo libraries in iPhoto

In iPhoto, to switch between photo libraries, choose File> Switch to Library, then select the library and click Choose.

Find the current-playing item in iTunes on the iTunes Store

In iTunes, to find the current-playing item on the iTunes Store, Control-click the iTunes icon in your dock, then choose "Find in iTunes Store" from the pop-up menu.

Duplicate an event in iCal

In iCal, to duplicate an event in your calendar, Control-click the event, then choose Duplicate from the pop-up menu.

Show piano notation for the left hand in GarageBand

In GarageBand, while taking a Learn to Play piano lesson, press the 3 key to show notation for the left hand.

Check on checkboxes in the Calandars list in iCal

In iCal, press the Space bar when viewing the Calendars pop-up list to select the checkbox for the selected calendar.

See when a document was last printed in Pages

In Pages, to see when a document was last printed, show the Inspector, then click the Info pane of the Document inspector and look in the bottom section.

Increase the size of the text you see in iChat

In iChat, to increase the size of the text you see in the selected chat window, choose View> Make Text Bigger.

Show your video display in iChat

During an iChat video chat session, to show the small display of yourself seen in the corner of the chat window, choose Video> Show Local Video.

Reset a video chat backdrop in iChat

In iChat, when using a custom backdrop in a video chat, to reset it, choose Video> Reset Background.

Raise a note by one semitone in GarageBand

In GarageBand, when viewing the musical score, to raise a note by one semitone, click the note in the staff then press the Up Arrow key.

Jump to the next chapter in QuickTime Player

In QuickTime Player, when viewing movies with chapters, press Shift-Command-Right Arrow to jump to the next chapter.

Select text vertically in a PDF document in Preview

In Preview, to select text vertically in a PDF document, hold down the Option key as you select the text.

Reformat color settings for incoming messages in iChat

In iChat, to override your buddies' color settings on all incoming messages, choose iChat> Preferences> Messages> Reformat incoming messages.

Show the Availability panel in iCal

In iCal, to show the Availability panel, press Shift-Command-A.

Rescan an image for GPS location data in iPhoto

In iPhoto, to manually rescan an image for GPS location data if available, select the image, then choose Photos> Rescan for Location.

Select a range of slides in Keynote

In Keynote, to select a range of slides in navigator, outline, or light table view, select a slide, hold the Shift key, then select another slide.

Quickly jump to the end of the timeline in GarageBand

In GarageBand, to quickly jump to the end of the timeline, press Option-Z.

Flip a snapshot in Photo Booth

In Photo Booth, to flip a snapshot, select it in your thumbnails, then choose Edit> Flip Photo.

Use border selection mode in Numbers

In Numbers, to use border selection mode, to allow the selection of border segments in a table, choose Table> Allow Border Selection.

View the Repertoire preview in Font Book

In Font Book, when previewing fonts, press Command-2 to view the Repertoire preview.

Adjust the date and time of a video clip in iMovie

In iMovie, to adjust the date and time of a video clip, select it in the Event browser, then choose File> Adjust Clip Date and Time.

Show or hide the podcast track in GarageBand

When making a podcast in GarageBand, press Command-Shift-B to show or hide the podcast track.

Loop a movie in QuickTime Player

In QuickTime Player, to loop a movie, choose View> Loop, or press Option-Command-L.

Move downward through chats in iChat

In iChat, when using a multi-chat window, press Control-Tab to move downward through each chat.

Refresh a Genius Playlist in iTunes

In iTunes, to refresh a Genius Playlist, select it in your iTunes Library then press Command-R.

Clean up by kind in the Finder

When viewing by icon in the Finder, press Option-Command-2 to clean up by kind.

Move to the beginning of the current line in Pages

In Pages, to move to the beginning of the current line, press Command–Left Arrow.

Permanently erase deleted items in all accounts in Mail

In Mail, press Shift-Command-Delete to permanently erase deleted items in all of your Mail accounts.

Select non-continuous blocks of text in a TextEdit document

In TextEdit, to select multiple words or blocks of text that are not next to each other, hold down the Command key and select them.

Quickly view the man page for any command in Terminal

In Terminal, to quickly view the man page for any command, Control-click it and choose "Open man Page" from the pop-up menu.

Hide the Availability panel in iCal

In iCal, to hide the Availability panel, press Shift-Command-A.

Quickly unsolo a track in GarageBand

In GarageBand, to quickly unsolo a track if it is soloed, select the track, then press S on your keyboard.

Change the name of a project in iMovie

In iMovie, to change the name of a project, double-click its name in the Project Library, type a new name, then press Return.

Adjust the color and exposure of an image in Preview

In Preview, to adjust the color and exposure of an image, choose Tools> Adjust Color, and then adjust the controls.

Quickly add a bookmark to your bookmarks bar in Safari

In Safari, to quickly add a bookmark to your bookmarks bar, drag a webpage’s icon from the address field down into the bookmarks bar.

Move a chat from a multi-chat window in iChat

In iChat, to move a chat from a multi-chat window into its own window, click its tab and choose Window> Move Chat to New Window.

Loop a region continuously in GarageBand

In GarageBand, to loop a region continuously, select the region in the timeline, then press the O (not zero) key, or choose Control> Loop Region.

Hear buttons spoken to you in Calculator

In Calculator, to have your Mac speak the value or function of each key you click, choose Speech> Speak Button Pressed.

Select the next item on a slide in Keynote

In Keynote, after selecting an item on a slide's canvas, press Tab to select the next item on the slide.

Switch views in Address Book

In Address Book, press Command-1, Command-2, or Command-3 to switch to List and Card, Card Only, or Groups view, respectively.

Quickly open your AirDrop window in the Finder

On a Mac that supports AirDrop, press Shift-Command-R in the Finder to quickly open your AirDrop window.

Turn off constraint when cropping a photo in iPhoto

In iPhoto, when cropping a photo using a constrained dimension, press Shift when selecting an area to turn off the constraint.

Show or hide chapter tracks in QuickTime Player

In QuickTime Player, when playing a movie containing chapters, press Command-R to show or hide the chapter tracks.

Change the type size of an article in Reader in Safari

In Safari, when viewing an article with Reader, to change the type size, move your pointer towards the bottom-center of the page, then click "Zoom in" (+) or "Zoom out" (-).

Set the playback stop time for an item in iTunes

In iTunes, to set the playback stop time for a selected item, choose File> Get Info, then click Options and enter a value for Stop Time.

Move back in a GarageBand project

In GarageBand, press the Left Arrow key to move back in a project.

Keep a sticky note in front of other windows in Stickies

In Stickies, to keep a sticky note in the foreground, in front of other windows, select the note, then choose Note> Floating Window.

Show or hide the Annotations Toolbar in Preview

In Preview, press Shift-Command-A to show or hide the Annotations Toolbar.

Delete all snapshots and video clips in Photo Booth

In Photo Booth, to permanently delete all Photo Booth snapshots and video clips, choose Edit> Delete All Photos.

Create a disc image of a project in iDVD

In iDVD, to create a disc image of a project, instead of burning it to an actual DVD, choose File> Save as Disc Image.

Edit the card template in Address Book

In Address Book, to edit the card template and choose which fields appear on new cards by default, choose Address Book> Preferences, then click Template.

Get info for the next item in a list in iTunes

When viewing the "Get Info" window for an item in iTunes, press Command-N to view info for the next item in the list.

Copy a column in Numbers

In Numbers, to copy a column elsewhere in a table, click its reference tab to select it, then hold Option and drag the column to the desired location.

Quickly access the user manual for your Mac

To quickly access the user manual for your Mac, choose "About This Mac" under the Apple Menu, then click More Info, then click Support and click User Manual.

Exit full screen view in iCal

In iCal, press Control-Command-F to exit full screen view.

Use a keyboard shortcut to bring iChat to the front

In iChat, to use a keyboard shortcut to bring iChat to the front, choose iChat> Preferences, then click Messages and select "Use a keyboard shortcut".

Play a video clip backwards in iMovie

In iMovie, to play a video clip backwards, double-click the clip in the Project browser, then select the Reverse checkbox and click Done.

Rename a smart group in Address Book

In Address Book, to rename a group in Smart Groups, select the group and choose Edit> Rename Group.

Insert a column after a cell in Numbers

In Numbers, press Option-Right Arrow to insert a new column after a selected cell.

Transpose notes up one octave in a GarageBand musical score

In score view in GarageBand, click a staff note to select it then press Shift-Up Arrow to transpose the note up one octave.

Remove a page from a book project in iPhoto

In iPhoto, to remove a page from a book project, select the book page and press Delete.

Automatically enhance the color of an image in Pages

In Pages, to automatically enhance the color of an image, select the image, choose View> Show Adjust Image, then click Enhance.

Insert a paragraph break in TextEdit

In TextEdit, to insert a paragraph break into a document, choose Edit> Insert> Paragraph Break.

Mail a reminder in iCal

In iCal, to mail a reminder, Control-click it in your Reminders list, then choose "Mail Reminder" from the pop-up menu.

Show the Favorites bar in Mail

In Mail, to show the favorites bar, choose View> Show Favorites bar, or press Option-Shift-Command-H.

Reposition a button in the Loop Browser in GarageBand

In GarageBand, to reposition an instrument or genre button in the Loop Browser, click and drag it to another location.

Add a row above another row in a table in Keynote

In Keynote, to add a row above another row in a table, select any cell, then Control-click the cell again and choose "Add Row Above" from the pop-up menu.

Edit the address of a bookmark in your bookmarks bar in Safari

In Safari, to edit the URL address of a bookmark in your bookmarks bar, Control-click it and choose "Edit Address" from the pop-up menu.

Add a comment to a cell in Numbers

In Numbers, to add a comment to a cell, select the cell, then click the Comment button in the toolbar, or choose Insert> Comment.

Stop playback and go forward one frame in QuickTime Player

In QuickTime Player, to stop playback and go forward one frame, press the Right Arrow key.

Close all open documents in Preview

In Preview, to close all open documents and keep Preview running, press Option, then choose File> Close All.

Switch to a different editing pane in iPhoto

In iPhoto, in edit view, press Q, E, or A on your keyboard to switch to the Quick Fixes, Effects, or Adjust editing pane.

Move notes forward one measure in GarageBand

In score view in GarageBand, select some notes, then press Shift-Right Arrow to move the selected notes forward one measure in the score.

Move an event one week later in iCal

In iCal, select an event in Month view, then press Control-Down Arrow to move the event one week later in the month.

Mark a message as unread in Mail

In Mail, to mark a previously-read message as unread, select the message, then choose Message> Mark> As Unread.

Open or close the Keywords window in iMovie

In iMovie, press K on your keyboard to open or close the Keywords window.

Show closed captioning in QuickTime Player

In QuickTime Player, when playing a movie that has closed captions, to view them, choose View> Show Closed Captioning.

Quickly deselect all of the songs in a list in iTunes

In iTunes, to quickly deselect all of the songs in a list, Command-click the checkbox next to any checked song.

Duplicate an object and offset it by 10 pixels in Keynote

In Keynote, to duplicate an object and offset it by 10 pixels, select the object, then press Command-Option-Shift–Arrow Key.

Increase the size of the retouch brush in iPhoto

When retouching a photo in iPhoto, press the right bracket (]) key to increase the size of the retouch brush.

Show information for a reminder in iCal

In iCal, to show information for a reminder, select it in your Reminders list, then press Command-I.

Show the transfer progress when sending a file via AirDrop

When sending a large file to someone via AirDrop, click their picture in your AirDrop window to show the transfer's progress.

Detect and resolve duplicate fonts in Font Book

In Font Book, to detect and resolve duplicate fonts in your font library, choose Edit> Look for Enabled Duplicates.

Insert a page number into a document in Pages

In Pages, to insert a page number into a document, place the insertion point where it should appear, then choose Insert> Page Number.

Play the next clip in your Event Library in iMovie

In iMovie, when playing Event video, press the Down Arrow key to jump forward to the next clip in your Event Library.

Go to a specific page in a multi-page PDF document in Preview

In Preview, to go to a specific page in a multi-page PDF document, choose Go> Go to Page, enter the page number, then click OK.

Make an event end 15 minutes sooner in iCal

In iCal, in Day or Week view, select an event then press Shift-Control-Up Arrow to make the event end 15 minutes sooner.

Go to the next Reading List item in Safari

In Safari, when the Reading List sidebar is open, press Option-Command-Down Arrow to go its next item.

Have a portion of a document read out loud in TextEdit

In TextEdit, to have a portion of a document read out loud, select the text to be read, then choose Edit> Speech> Start Speaking.

Add a favorite in FaceTime

In FaceTime, to add a favorite, click Favorites, then click Add (+) and select a contact from the list.

Navigate to the desktop in an Open or Save dialog box

In an Open or Save dialog box, press Command-D to quickly navigate to the desktop.

Quickly jump to a particular slide in Keynote

When playing a slideshow in Keynote, to quickly jump to a particular slide in the slide switcher, type the slide number and press Return.

Apply an instant replay effect in iMovie

In iMovie, to apply an instant replay effect to video, select a video clip in the Project browser, then choose Clip> Instant Replay and select a percentage.

Pause or resume a slideshow in iPhoto

In iPhoto, while playing a slideshow, press Space to pause or resume playing.

Quickly add a link to your Reading List in Safari

In Safari, to quickly add a link to your Reading List, Shift-click the link to the article you want to add.

Join regions in GarageBand

In GarageBand, to join multiple Software Instrument regions into a single region, select the regions and choose Edit> Join.

Set a slideshow to advance manually in iDVD

In iDVD, to set a slideshow to advance manually, open the slideshow and choose Manual from the Slide Duration pop-up menu.

Save a recording to a specific location from QuickTime Player

Before starting a recording in QuickTime Player, to save it to a specific location, click the down arrow in the controller and choose "Save to" from the pop-up menu.

Add graphics to a sticky note in Stickies

In Stickies, to add graphics, simply drag and drop a picture or graphic file from the Finder into a sticky note.

Use alternating table row colors in Numbers

In Numbers, to use alternating row colors for a selected table, choose View> Show Inspector, then click the Table inspector button and select Alternating Row Color.

Jump to the next item in iCal

In iCal, after selecting an event or to-do item in the main calendar view, press Tab to jump to the next item.

Quickly jump to the bottom of your photo library in iPhoto

In iPhoto, to quickly jump to the bottom of your photo library, select a photo and press Fn-Right Arrow.

Turn sustain on and off in GarageBand

In GarageBand, when playing a Software Instrument using Musical Typing, press Tab to turn sustain on and off.

Duplicate a selected object on a slide in Keynote

In Keynote, to duplicate a selected object on a slide, hold Option and drag the object, or press Command-D.

Specify default font settings in iChat

In iChat, to specify the default font settings for all of your outgoing messages, choose iChat> Preferences, then click Messages and click Set Font.

Prevent a preference's icon from being seen in System Preferences

In System Preferences, to prevent a preference's icon from being seen, choose View> Customize, then uncheck its icon.

Flip an object vertically in Pages

In Pages, to flip an object vertically, select the object and choose Arrange> Flip Vertically.

Select a table in Numbers

In Numbers, when editing a cell in a table, press Command-Return twice to select the table.

Go to today’s date in iCal

In iCal, press Command-T in day, week, or month view to go to today’s date.

Flag or unflag a selected message in Mail

In Mail, to flag or unflag a selected message, press Command-Shift-L.

Zoom out of Places in iPhoto

In iPhoto on a Mac with a Multi-Touch trackpad, pinch closed over the Places map to zoom out.

Send a song to iTunes from GarageBand

In GarageBand, after finishing a project, to send it as a song to your iTunes library, choose Share> Send Song to iTunes.

Go to the previous preference pane in iTunes

In iTunes, in the Preferences window, press Shift-Command-Left Bracket to go to the previous preference pane.

Preview your snapshots and video clips in Photo Booth

In Photo Booth, to preview all of your Photo Booth snapshots and video clips, choose View> Start Slideshow.

Split a table cell or cells into two equal colums in Numbers

In Numbers, to split a selected table cell or cells into two equal columns, choose Table> Split into Columns.

Loosen character spacing in a title in iMovie

In iMovie, to loosen the space between characters in a title, select the text then press Command-Option-Right Arrow.

Show an item's enclosing folder in the Finder

In the Finder, to show an item's enclosing folder, select the item, then press Command-Up Arrow.

Show audio when trimming a movie in QuickTime Player

In QuickTime Player, when trimming a movie, to show audio waveforms in the timeline, choose View> Show Audio Track.

Make a backup in iCal

In iCal, to make a backup copy of your iCal calendars, events, and reminder lists, choose File>Export>iCal Archive.

Block a person on an AIM buddy list in iChat

In iChat, to block a person on an AIM buddy list, select the person's name in the list, and then choose Buddies> Block.

Expand all groups of slides in Keynote

In Keynote, to expand all groups of slides in the slide navigator at once, choose Slide> Expand All.

Convert a Pages document to PDF format and send it via Mail

In Pages, to convert a document to PDF format and attach it to a new Mail message, choose Share> Send via Mail> PDF.

Raise the master volume in GarageBand

In GarageBand, press Command-Up Arrow to raise the current project's master volume.

Change the location where video appears in iTunes

When watching a video in iTunes, to change the location where the video appears, choose View> Video Playback, then choose an option.

Add a cartoon thought bubble to a PDF or image in Preview

In Preview, to add a cartoon thought bubble to a PDF or image, choose Tools> Annotate> Add Thought Bubble, then drag over the region where you want the bubble to appear.

Remove an item from the Favorites section of the sidebar

In the Finder in OS X Lion, to remove an item from the Favorites section of the sidebar, hold down the Command key then drag the item out.

Merge table cells in Numbers

In Numbers, to merge table cells by combining adjacent cells into one, select a group of two or more adjacent cells, then choose Table> Merge Cells.

Move a chat to a higher location in iChat

In iChat, to move a chat to a higher location in a multi-chat window, click its tab, then drag it up in the list.

Fast-forward a movie in QuickTime Player

In QuickTime Player, press Command-Right Arrow while a movie is playing to cycle through each fast-forward speed.

Quickly move to the bottom of a document in TextEdit

In TextEdit, to quickly move to the bottom of a document, press Fn-Right Arrow.

Add an "Email Me" button to a webpage in iWeb

In iWeb, to add an "Email Me" button to a webpage, select the page in the sidebar, then choose Insert> Button> Email Me.

Look up a word in Wikipedia from a Pages document

In Pages, to look up a word in a document using Wikipedia, Control-click the word and choose Writing Tools> Search in Wikipedia from the pop-up menu.

Automatically delete events after they have passed in iCal

In iCal, to automatically delete events one or more days after they have passed, choose iCal> Preferences> Advanced, and select "Delete events”.

Open the audio adjustments pane in iMovie

In iMovie, after selecting a clip, press A on the keyboard to open the Audio Adjustments pane of its inspector.

Paste text as a quotation in Mail

In Mail, to paste text as a quotation in a message, choose Edit> Paste as Quotation, or press Command-Shift-V.

Jump back to the beginning of a movie in QuickTime Player

In QuickTime Player, press Option-Left Arrow to quickly jump back to the beginning of a movie.

Choose the next higher guitar preset in GarageBand

In GarageBand, press comma (,) when recording in an electric guitar track to choose next higher guitar preset.

Locate a font in Font Book

In Font Book, to locate a font on your Mac's hard drive, select the font in the Font column and choose File> Show in Finder.

Send an email to a contact in Address Book

In Address Book, to send an email to a contact, click the label of the email address field on their card and choose "Send Email" from the pop-up menu.

Open a photo in edit view in iPhoto

In iPhoto, after selecting a photo in your library, press Return to open the photo in edit view.

Take a picture of a video chat in iChat

During a video chat in iChat, to take a picture of the video chat window and save it to your desktop, choose Video> Take Snapshot.

Match style when pasting text in TextEdit

In TextEdit, to make copied text match the style of the text where you paste it, choose Edit> Paste and Match Style.

Jump forward when playing an Event video in iMovie

In iMovie, press Shift-Down Arrow when playing an Event video to jump forward three seconds.

Add a Bcc header in Mail

When composing a new message in Mail, press Command-Option-B to add a Bcc header to the message.

Move a reminder to another reminder list in iCal

In iCal, to move a reminder to another reminder list, double-click the reminder and choose a reminder list from the List pop-up menu.

Decrease the size of icons in Stacks

In the Finder, when viewing Stacks as a grid, press Command-Minus (-) to decrease the size of the icons in the Stack.

Bring the previous tab to the front in Safari

When browsing with tabs in Safari, press Shift-Control-Tab to bring the previous tab to the front.

Jump to the beginning of the selected region in GarageBand

In GarageBand, to jump to the beginning of the selected region, press Function-Control-Left Arrow.

Change the background color of the main viewing area in iPhoto

In iPhoto, to change the background color of the main viewing area, choose iPhoto> Preferences, then click Appearance and drag the Background slider.

Fast forward a song by five seconds in iTunes

When playing a song in iTunes, press Command-Option-Right Arrow to fast-forward five seconds.

Expand multi-page PDF documents in the sidebar of Preview

In Preview, press Command-Option-Right Arrow to expand all multi-page PDF documents showing in the selected window's sidebar.

Make a sticky note translucent in Stickies

In Stickies, to make a sticky note translucent, so you can see your desktop or other application windows behind it, choose Note> Translucent Window.

Enter full screen view in iCal

In iCal, press Control-Command-F to enter full screen view.

Revert to the original new document settings in TextEdit

In TextEdit, to revert to the original new document settings, choose TextEdit> Preferences, click New Document then click "Restore All Defaults".

Check off checkboxes in the Calandars list in iCal

In iCal, press the Space bar when viewing the Calendars pop-up list to deselect the checkbox for the selected calendar, if it is checked.

Duplicate a project in iPhoto

In iPhoto, to duplicate a project in your Projects list, Control-click the project's name and choose "Duplicate" from the pop-up menu.

Add a new row above a cell in Numbers

In Numbers, press Option-Up Arrow to add a new row above a selected cell.

Bring an object to the front in Keynote

In Keynote, select an object on a slide then press Shift-Command-F to bring it to the front.

Change the duration of a transition in iMovie

In iMovie, to change the duration of a transition added to a video, double-click the transition's icon in the Project browser.

Show the actual URL for a link in a Mail message

In Mail, mouse over (but don't click) a link in an email message to see a pop-up showing the actual URL you will be taken to.

Create a table within a table in TextEdit

In TextEdit, to create a table within an existing table, select a cell in the existing table, then choose Format> Table and click "Nest Table".

Remove all of the messages recorded in a chat in iChat

In iChat, to remove all of the messages recorded in a chat, choose Edit> Clear Transcript.

Include notes in a printout from Preview

In Preview, to include notes in a printout, choose View> Show Notes, and then choose File> Print.

Search for photos within a specific month in iPhoto

In iPhoto, when searching for photos by date, triple-click a date in the calendar to select the entire month.

Make text upper case in TextEdit

In TextEdit, to make text upper case, select it and choose Edit> Transformations> Make Upper Case.

Specify that a page be kept in Top Sites in Safari

In Top Sites in Safari, to specify that a page be kept and never replaced, click the pin icon in the page's upper-left corner.

Go to the previous song in a list in iTunes

In iTunes, press the Up Arrow key to go to the previous song in a list.

Constrain the aspect ratio when resizing an object in Keynote

In Keynote, to constrain the aspect ratio when resizing an object, hold Shift while dragging its resize handle.

Change the default rotation direction in iPhoto

In iPhoto, to change the default rotation direction, choose iPhoto> Preferences, click General, and then select one of the Rotate options.

Refresh the current page in the App Store

When browsing in the App Store app, press Command-R to refresh the current page.

Move to the first slide when editing in Keynote

In Keynote, in slide navigator or light table view, press Command-Up Arrow to move to the first slide in the presentation.

Unmute all tracks in GarageBand

In GarageBand, to unmute all tracks, Option-click any track's Mute button.

Enter and exit full-screen mode in QuickTime Player

In QuickTime Player, press Command-F to enter full-screen mode, and press Command-F again (or press Esc) to exit.

Open a page in a new tab and bring it to the front in Safari

In Safari, to open a page in a new tab, and bring the tab to the front, press Command-Shift while you click a link or bookmark.

Avoid making accidental changes to a document in TextEdit

In TextEdit, to avoid making accidental changes to a document, choose Format> Prevent Editing.

Make text subscript in Pages

In Pages, to make text subscript, select the text, then press Control-Command–Minus (-).

Reclaim space on your hard disk in iMovie

In iMovie, to reclaim space on your hard disk by moving rejected clips to the trash, choose File> Space Saver.

Scroll down a screen in Safari

In Safari, press the Space bar to scroll down a screen.

Rotate a movie clip to the left in QuickTime Player

In QuickTime Player, to rotate a movie clip to the left, choose Edit> Rotate Left, or press Shift-Command-L.

View pages side by side in Preview

In Preview, when viewing a multi-page PDF on a Mac with a widescreen display, choose View> Two Pages to view pages side by side.

Preview thumbnails in Mission Control

In Mission Control, Option-click a thumbnail at the top of the screen to preview it first, without making it active.

Play the currently selected song from the beginning in iTunes

In iTunes, to play the currently selected song from the beginning, press Return.

Create an Event from flagged photos in iPhoto

In iPhoto, to create an Event from the flagged photos in your library, choose Events> Create Event From Flagged Photos.

Split an Event in two in iMovie

In iMovie, to split an Event in two, select the clip in the Event Browser where you want the divide to occur, then choose File> Split Event Before Selected Clip.

Keep header rows visible in Numbers

In a Numbers spreadsheet, to keep header rows visible when scrolling, choose Table> Freeze Header Rows.

Open bookmarked websites in new windows or tabs in Safari

In Safari, press Command while selecting a website in your Bookmarks menu to open the website in a new window or tab.

Participate using text only in an audio chat in iChat

In iChat, when invited to an audio chat, to participate using text only, click the invitation icon, then click Text Reply.

Open your home folder

In the Finder, press Command-Shift-H to open your home folder.

Browse a PDF document by its annotations in Preview

In Preview, to browse a PDF document by its annotations, choose Tools> Show Inspector, click the Annotations Inspector then double-click an annotation to display it.

Erase deleted messages in Mail

In Mail, to erase deleted messages before the specified time, choose Mailbox> Erase Deleted Items, and then choose an account.

Mute your microphone during a call in FaceTime

In FaceTime, to mute your microphone during a call, choose Video> Mute, or click the Mute button at the bottom of the video call window.

Save a TextEdit document in Microsoft Word format

In TextEdit, to save a document in Microsoft Word format, choose File> Save, then choose a Word format from the File Format pop-up menu.