Deleting All Automatic or Manual Backup Files
You can delete all automatic or manual backup files for a file from the Project Properties window.
1. If the Project is not open in the Project Properties window, then open it. For more information, see Opening a Project in the Project Properties Window.
2. In the Project Properties pane, select the file.
3. In the File Backups pane, select any backup file. For more information, see File Backups Pane.
4. Click Delete All. A confirmation window opens.
5. Click Yes.