This is documentation for Mathematica 8, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)

File Revert...

restores the current notebook to its last saved version.
  • This command is grayed out unless the notebook has been edited since it was last saved.
  • When you choose this menu item, a dialog box appears, giving you the option of canceling the operation.