Backup Format Feature Sheet

Different backup formats have specific limitations and specific features.

The table below helps you to select the backup format you need.

Feature	Legacy Backup Format	New Backup Format
Grandfather-Father-Son (GFS) policy	not supported	✔️
Immutability	not supported	✔️
Synthetic full backup	Only supported for image-based backups and Amazon S3 and Wasabi storages	Supported for all backup types and for most storage providers
Restore Verification	✔️	✔️
Hybrid backup	✔️	coming soon
Client-side deduplication	not supported	✔️
Mandatory consistency check	not supported	✔️
Full consistency checks	not supported	✔️
Changed Block Tracking for VMware	✔️	✔️
Changed Block Tracking for Hyper-V	not supported	✔️
Changed Block Tracking for image-based backups	not supported	✔️
Hyper-V backup	✔️	✔️
Microsoft Exchange backup	✔️	not supported
Microsoft SQL Server backup	✔️	not supported