Nathan wrote:I used to do that, but find it easier to periodically delete from the main drive the junk files (especially the cached URLs--what clutter!). The /d switch for xcopy32 automatically selects for copying only those files with a date more recent than what's already on your backup drive with the same filename.In other words, this xcopy command will copy only files you have changed since the last backup (which turns their archive bit on), *minus* those whose archive bit you have turned off with Attrib.--Harry Harry Binswanger hb@xxxxxxxx