Backup Exec Granular Recovery Technology (GRT) lets you restore individual items from an Information Store backup without having to restore the whole backup. You should review the requirements for a GRT-enabled backup before you configure it.
You can also enable GRT when you create an offhost backup for the Information Store. Offhost backup lets Backup Exec move the backup process from the host computer to the Backup Exec media server. The host computer is the remote computer that contains the volumes that you selected for backup. To run a GRT-enabled offhost backup, you must install the Backup Exec Advanced Disk-based Option on the media server.
More Information
How to restore individual items by using Granular Recovery Technology
Recommended devices for backups that use Granular Recovery Technology
About requirements for jobs that use Granular Recovery Technology
Configuring a GRT-enabled offhost backup for Exchange resources