Learn more. 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.
The Insert AutoCAD Drawing add-on inserts a .dwg or .dxf file into the active page in an existing Visio document as a read-only ActiveX object. The active Visio application window must contain a document drawing page when this add-on is run (otherwise an error is generated).
Microsoft Excel uses the XAR file format to save documents under its AutoRecover feature. No matter what Excel file type is actively being used, all open files are periodically and automatically saved to a default location with an .XAR file extension.