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
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)