You can use the Commvault software to back up and restore Azure repositories.
Backups
Data You Can Back Up
Azure repositories
Metadata (repositories inherit project settings):
Project visibility (public repository, private repository)
Project description
Pull request:
Title
Description
State
Comments, reviewers, and tags
Data You Cannot Back Up
Azure repositories that are not part of the same project
Backups You Can Perform
Full backups
When You Can Perform Backups
On a schedule: The server plan that you assign manages scheduled backups
On demand: You can perform on-demand backups at any time
Backups You Can Use for Restores
The most recent backup: For example, restore the most recent backup to its original location
A backup from a specific date: For example, restore data to a point in time before it became unusable
Backups from a date range: For example, restore data that was accidentally deleted
Destinations You Can Restore To
The current location (in place)
A different location on the same app or a different app (out of place)
A different repository hosting service such as GitHub (out of place)
A disk (out of place)