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O&O DiskImage vs EaseUS Todo Backup: catalog facts
O&O DiskImage	EaseUS Todo Backup
Paid Commercial software sold by O&O Software, with a separate Enterprise edition for…	Freemium A free edition is available. Home and Business editions are paid.
Windows	Windows
Full system images as well as file and folder backups Aimed at recovery after ransomware, disk failure or a crash	Scheduled incremental and differential backups in the free edition Emergency boot media for bare-metal restore
Windows only Paid, closed-source software	System clone, backup to tape and several destinations are paid features Windows only, closed source
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.