Backup on business computers is typically not the user's concern unless it's a small business. A business should have a policy in place for managing backups especially due to Sarbanes - Oxyley.Four options for backing up:
External hard driveCD-RW (CD rewriteable) driveTapeNetwork server
Two options for what to back up:EverythingData files (.doc, .xls, .db, .ppt, .txt, etc.)
Personally, I use an external hard drive (this is a 120 gig hard drive, they also have 20 gig, 40 gig, 60 gig, and 80 gig a.