To be able to recover the previous version of your document after a power failure or similar problem, you must have the Always create backup copy check box selected on the Save tab in the Options dialog box (Tools menu) before the problem occurs, and you must have saved the document more than once.

1. Click Open .
2. In the Files of type box, click All Files.
3. If you want to open a backup copy that was saved in a different folder, locate and open the folder.
4. Click the arrow next to Views , and then click Details.

   In the Name column, the backup copy name appears as "Backup of document name"; in the Type column, the file type for the backup copy appears as "Microsoft Word Backup Document."

5. Locate and then double-click the backup copy to open it.