Save automatically every __ minutes
Automatically saves open documents at the interval you specify.
Prompt Before Saving
Displays a dialog box whenever AutoSave begins saving documents. You can click one of the following buttons to answer the dialog box question: "Save changes in <document name>?"
Saves a backup of the active document.
Save active document only
Saves only the active document.
Save all open documents
Saves all documents that are open.
The Save As dialog box appears if the document has not yet been saved.