I have 160 users on my Lan and 3 30GB on PDC and 3 30GB on BDC with 1 40GB as a sperate. The PC I use is DELL with 15GB/w 250 zip Drive. Now I told you my LAN setup. I want all my user to backup their important data to ZipDisk. Try to write a batch file so there personal folder is backup to 250 or 100 ZipDisk using PKZip but NT4.0 servcie pack3 is not work with PKZip. I want the user to just click on a incon and let my batch file do the rest but how.