Autosave can be a lifesaver when you are working on a file and your computer crashes or you shut down prior to saving. The autosave feature will keep a file for 10 days and it saves every 5 minutes while you are working on a file.
Image Gallery: Autosave
This video will show you how to use and find your files that have been Autosaved. It will also show you how to customize your preferences for autosaving.