Active Directory Rights Management Services Bulk Protection Tool
The Active Directory Rights Management Services Bulk Protection Tool is a command-line tool for bulk decrypting AD RMS protected files or bulk encrypting multiple files to a rights policy template.
On Windows XP, you must first install Rights Management Services Client with Service Pack 2 and .NET Framework 2.0 Service Pack 2. Outlook 2007 is required to be installed and running for operating on Outlook PSTs.