# Backup Format Comparison

View the list of supported features and backup types for backup formats.

| **Feature**                                                                                              | **Legacy Backup Format**                                                                                                                                                      | **New Backup Format**                                                                                                                                                   |
| -------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| [Grandfather-Father-Son (GFS) policy](../about-gfs)                                                      | not supported                                                                                                                                                                 | ✔️                                                                                                                                                                      |
| [Immutability](../object-lock-immutability)                                                              | not supported                                                                                                                                                                 | ✔️                                                                                                                                                                      |
| Synthetic full backup                                                                                    | [Only supported](https://help.msp360.com/cloudberry-backup/backup/about-backups/backup-types/synthetic-full-backup) for image-based backups and Amazon S3 and Wasabi storages | [Supported](https://help.msp360.com/cloudberry-backup/backup/about-backups/new-backup-format/synthetic-full-backup) for all backup types and for most storage providers |
| Restore Verification                                                                                     | ✔️                                                                                                                                                                            | ✔️                                                                                                                                                                      |
| [Hybrid backup](../hybrid-backup)                                                                        | ✔️                                                                                                                                                                            | coming soon                                                                                                                                                             |
| [Client-side deduplication](../client-side-deduplication)                                                | not supported                                                                                                                                                                 | ✔️                                                                                                                                                                      |
| [Mandatory consistency check](../mandatory-and-full-consistency-checks)                                  | not supported                                                                                                                                                                 | ✔️                                                                                                                                                                      |
| [Full consistency checks](../mandatory-and-full-consistency-checks)                                      | not supported                                                                                                                                                                 | ✔️                                                                                                                                                                      |
| [Changed Block Tracking for VMware](../vmware-backup-plan/changed-block-tracking-for-vmware-backups)     | ✔️                                                                                                                                                                            | ✔️                                                                                                                                                                      |
| [Changed Block Tracking for Hyper-V](../about-hyper-v-backup/changed-block-tracking-for-hyper-v-backups) | not supported                                                                                                                                                                 | ✔️                                                                                                                                                                      |
| Changed Block Tracking for image-based backups                                                           | not supported                                                                                                                                                                 | ✔️                                                                                                                                                                      |
| [Hyper-V backup](../about-hyper-v-backup)                                                                | ✔️                                                                                                                                                                            | ✔️                                                                                                                                                                      |
| [Microsoft Exchange backup](../ms-exchange-backup)                                                       | ✔️                                                                                                                                                                            | not supported                                                                                                                                                           |
| [Microsoft SQL Server backup](../ms-sql-server-backup)                                                   | ✔️                                                                                                                                                                            | not supported                                                                                                                                                           |
