Learn more about Apple ID. If you use a different Apple ID for iTunes and iCloud, and want to restore from a backup, first enter your Apple ID for iCloud. After your device restarts, you'll be asked to enter the Apple ID that you use with the iTunes Store, App Store, or iBooks Store.
File system repository. The file system repository allows access to files which have been uploaded (e.g. via FTP) into designated folders on the server. A file system repository may be available site wide for everyone or within an individual course (set up by admin) or for an individual administrator.
The .data file extension is given to the data files that have been created by and used for a variety of different software applications. These files can be used on the Linux, Unix and MAC operating systems. The majority of DATA files are saved in the binary file format. DATA files can contain a variety of different file types including document files, project files, libraries and other different file types. The CoreFSIF' program by Avanti and the Analysis Studio program both use the .data file extension. Database applications also commonly use the .data extension.