Restoring default file types and extensions

Last published : Apr 02, 2026
You can restore default file types and extensions as needed.
To restore default file types and extensions
  1. On the Tasks menu, click Options.
  2. Click File Types.
  3. Select a file type from the File types list.
  4. Click either Restore default file types listorRestore default extensions list to restore all default file types or extensions.
    Caution: Any file types and extensions you have set up are removed. You must add them again manually.
  5. Click OK.
See Adding new file types and extensions.
See Renaming file types and extensions.
See Deleting a file type and all of its extensions.
See File types and file extension.
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