# `BR` Introduction
+ `BR` (Backup & Restore) is a command-line tool for:
  + Distributed backup and restoration of the `TiDB` cluster data
  + Large-scale data migration
+ Available from `v3.1`

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`BR` (Backup & Restore) is a command-line tool for distributed backup and restoration of the `TiDB` cluster data. In addition to regular backup and restoration, you can also use `BR` for large-scale data migration as long as compatibility is ensured.