Mac
Set up Exchange ActiveSync on your iPhone, iPad, or iPod touch
When you add your Exchange ActiveSync account, you can sync your Mail, Contacts, Calendars, Reminders, and Notes wirelessly with your iOS device.
Troubleshooting iTunes installation on Mac OS X
If you are having trouble installing iTunes on a Mac OS X computer, here are some things to try.
About QuickTime 7 Pro registration keys (codes)
Find answers to commonly-asked questions about QuickTime 7 Pro registration keys (codes).
Windows OS Managed Client: How to manage iTunes control features
This article explains how to manage iTunes control features.

iPhoto: Sharing libraries among multiple users
Learn how to share a single iPhoto library for editing among multiple users.

MainStage 2: Playback may go out of sync or stop in the middle of a song
Playback may go out of sync or stop working in the middle of a song.
Final Cut Pro X 10.0.6, Motion 5.0.5, Compressor 4.0.5: Removing an incompatible third-party component
If you install 3ivx third-party software on your computer, Final Cut Pro X 10.0.6, Motion 5.0.5, and Compressor 4.0.5 will display an alert explaining how to remove the software. The application displaying the alert may not open until you remove … Continue reading
Aperture: Avoid making manual changes to your library structure
Aperture’s library is not designed to be manipulated manually from the Finder.
If your Apple keyboard doesn’t work when you connect it to a display
The Apple Keyboard with Numeric Keypad might not recognize keystrokes or wake your computer. This can happen if you connect your keyboard using USB to a Thunderbolt display. Additionally, devices you connect through the keyboard (such as a mouse) also aren’t recognized.
Turn off the auto-fill option in Photos projects
Photos can automatically select and place pictures within projects you create. To turn off this option while you work on a project, follow these steps.