logging out of old Apple ID into new one
54057
Switch Apple ID
56848
Transfer content from one Apple ID to another?
62341
How can I reset the answers of the security questions of my Apple ID?
88786
My OpenID provider is shutting down; how do I change my Stack Exchange login?
22350
How do I delete unwanted Apple ID's?
8359
How do I migrate my existing Apple Notes from iOS 4 into Simplenote, Evernote, or some other notes app?
107546
App Store asks for old Apple ID when installing updates
67297
Resetting an AppleID password when you don't have access to an IOS device
133772
Are there any gotchas with using two Apple IDs for one user in the App Store?
81602
How to transfer installed apps from one account to another
28267
App Store asking for other Apple ID when updating apps
64716
How can I (or can I even) transfer iTunes/App store credit from one Apple ID to another?
3803
Deleting iTunes App Store purchases from my account
108228
How do I transfer a single app with data from one iPhone to another?
34125
Re-sign IPA (iPhone)
153653
Our iPad is locked and we're not sure of the Apple ID / iCloud password
44917
What point is there in using an everyday non-admin account on OS X?