Back up your QuickBooks company file daily. Backup copies are important insurance—if you lose data for any reason, you can restore the data from your backup copy.
To do this task
Choose how you'd like to back up your company file:
Back up to CD using Windows XP
Back up to CD using Windows Vista
Back up to CD using Windows 2000
Back up to a USB flash drive, Zip disk, or network folder
Back up using QuickBooks Online Backup (requires service subscription)
See also