Yes BESR 8.0 does support Exchange 2007 and also the Granular Restore.
- Microsoft does not support installing Exchange 2007 server roles on a computer that has a 32-bit processor in a production environment. You can install Exchange 2007 server roles on a computer that has a 32-bit processor in testing and training environments only. We also support up to 5 database instances. It is supported to install the management tools on a computer that has a 32-bit processor; however, you must download the 32-bit version of Exchange 2007.
For more information please refer to the SCL
This document contains the software compatibility list (SCL) for Backup Exec System Recovery 8 and the BESR Integration Component for Altiris.