1. Open Windows Explorer
  2. Locate the file to be edited or deleted
  3. Click on the file to select it.

    Note: If making a database backup, be sure to select the database backup file and not the live database files. Copying the live database files could cause data corruption.
     
  4. Select Edit, Copy from the menu bar
  5. Browse to the location to place the backup copy of the file. This can be the same directory as the original file.
  6. Select Edit, Paste from the menu bar. The file is pasted with the name "Copy of <original file name>"

    Optional Step:
  7. Rename the file to <original file name>.BAK [a .BAK file extension denotes a BACKUP file]
 

To restore the original file:

  1. Delete the new file or Rename the new file to <original file name>.OLD
  2. Place the backup copy of the file (the one with the .BAK extension) in the original directory, if it not already there
  3. Rename the file to it's exact original file name