Resco Backup creates reserve copies of your PDA on the storage card.
BSEditor: Resco Backup creates reserve copies of your PDA on the storage card.
This data (called backup set) can be used to restore your device in case of problems.

Basic features:

Backup to the storage card
Full and custom backup
Full and custom restore
Backup compression
Safe encryption (uses industrial standard AES)
Fast Incremental Backup
Backup scheduling

Advanced features:

Integrity checking (Is the backup set corrupted?)
Customizable Profiles (daily/weekly backups, separate backup of contacts...)
Compare backup set vs. device (Track changes)
Compare two backup sets
Manage your backup sets
Access backup sets on the desktop with any good Zipper
Alternatively use specialized Unpack Tool you can free download Resco Backup for Pocket PC 2.01.4 now.