Show hidden photos in iPhoto
12/31/2011 | iPhoto
In iPhoto, to show hidden photos, choose View> Hidden Photos.
Use a default zoom level in Pages
12/30/2011 | Pages
In Pages, to use a certain zoom level every time you open a document, choose Pages> Preferences, then click Rulers and choose a level for Default Zoom.
Quickly open the event editor window in iCal
12/29/2011 | iCal
In iCal, press Command-E to quickly open the event editor window for a selected event in your calendar.
Turn the volume down in QuickTime Player
12/28/2011 | QuickTime
In QuickTime Player, press Option-Down Arrow to turn the volume down to the minimum level.
Duplicate a project in iMovie
12/27/2011 | iMovie
In iMovie, to duplicate a project, click the project in the Project Library to select it then choose File> Duplicate Project.
Resize a window by its center in OS X Lion
12/26/2011 | Mac OS X
In OS X Lion, when resizing a window by dragging an edge, press the Option key as you drag to resize from the window's center.
Quickly make a new note in Stickies
12/25/2011 | Mac OS X
From within any application, select some text and press Command-Shift-Y, to make a new note in Stickies with the selected text.
Mute the sound in iTunes
12/24/2011 | iTunes
When playing an item in iTunes, press Option-Command-Down Arrow to mute the sound.
Save an image in Mail
12/23/2011 | Mail
In Mail, to save an image in a message to iPhoto, Control-click the image and choose "Export to iPhoto" from the pop-up menu.
Move from one space to another space in Mission Control
12/22/2011 | Mac OS X
In Mission Control, to move from one space to another space using just your keyboard, press Control-Right Arrow or Control-Left Arrow.
Show piano notation for both hands in GarageBand
12/21/2011 | GarageBand
In GarageBand, while in a Learn to Play piano lesson, press the 5 key to show notation for both hands, left and right.
Validate installed fonts in Font Book
12/20/2011 | Font Book
In Font Book, to validate installed fonts to determine whether they are safe to use, select a font in the Font column, and then choose File> Validate Font.
Reopen the last closed window in Safari
12/19/2011 | Safari
In Safari, if you inadvertently close a browser window, to reopen it, choose History> Reopen Last Closed Window.
Hide a photo in iPhoto
12/18/2011 | iPhoto
In iPhoto, to hide a photo in your library, select the photo and choose Photos> Hide Photo.
Flip snapshots or video clips automatically in Photo Booth
12/17/2011 | Photo Booth
In Photo Booth, to flip snapshots or video clips automatically when you take them, choose Edit> Auto Flip New Items.
Reduce background noise in a clip in iMovie
12/16/2011 | iMovie
In iMovie, to reduce background noise in a clip, double-click it, then click Audio at the top of the Inspector and select "Reduce background noise by".
Resize columns to fit content in Numbers
12/15/2011 | Numbers
In Numbers, to adjust the width of selected columns to accommodate their largest content, choose Table> Resize Columns to Fit Content.
Move the picture-in-picture display in FaceTime
12/14/2011 | FaceTime
During a FaceTime call, to move the picture-in-picture display, drag the small window to any corner of the video call window.
Zoom in and out of full magnification in grid view in iPhoto
12/13/2011 | iPhoto
In iPhoto, when in grid view on a Mac with a Multi-Touch trackpad, double-tap with two fingers to zoom in and out of full magnification.
Decrease the size of a movie in QuickTime Player
12/12/2011 | QuickTime
In QuickTime Player, to decrease the size of a movie, press Command-Minus (-).
Change the Cover Flow sort order in iTunes
12/11/2011 | iTunes
In iTunes, when viewing items with Cover Flow, to change the sort order, Control-click an item's artwork then select an option for "Change Sort" from the pop-up menu.
Go to the location of an item in an Open or Save dialog box
12/10/2011 | Mac OS X
In an application's Open or Save dialog box, select a file or folder and press Command-R to switch to the Finder and go to its location.
Show or hide your Reminders list in iCal
12/09/2011 | iCal
In iCal, press Command-Option-T to show or hide your Reminders list.
Copy messages among mailboxes in Mail
12/08/2011 | Mail
In Mail, to copy messages among mailboxes, hold down the Option key and drag one or more messages to a mailbox in the Favorites bar or sidebar.
Make background objects selectable in Pages
12/07/2011 | Pages
In Pages, when working with layered objects in the background of a document, to reposition or edit the objects, choose Arrange> Make Background Objects Selectable.
Use a picture as a custom backdrop in Photo Booth
12/06/2011 | Photo Booth
In Photo Booth, to use a picture as a custom backdrop, click the Effects button until you reach the User Backdrop pane, then drag the picture into an empty frame.
Play or pause all open movies in QuickTime Player
12/05/2011 | QuickTime
In QuickTime Player, press Command-Return to play or pause all open movies.
Reveal more color swatches in the Color Picker
12/04/2011 | Mac OS X
In the system-wide Color Picker, drag the bottom of the Colors window down to reveal more rows to save your favorite color swatches.
Hide a chart's title in Numbers
12/03/2011 | Numbers
In Numbers, to hide a chart's title, Control-click the chart and select "Hide Title" from the pop-up menu.
Organize apps into folders in LaunchPad
12/02/2011 | Mac OS X
In LaunchPad, to organize apps into folders, drag one app’s icon over another to create a folder, then drag other apps you would like to add into the folder.
Adjust the size of an image, text box, chart, or shape in Keynote
12/01/2011 | Keynote
In Keynote on a Mac with a Multi-Touch trackpad, to increase or decrease the size of an image, text box, chart, or shape, select it then pinch open or closed.