Microsoft® Windows Backup Service

Service Host Group Name SDRSVC
Service Short Description Microsoft® Windows Backup Service
Service Full Description Provides Windows Backup and Restore capabilities.
Service Executable File Path c:\windows\system32\sdrsvc.dll
Service Host Launch Command C:\Windows\system32\svchost.exe -k SDRSVC
Service Privileges SeBackupPrivilege
SeRestorePrivilege
SeSecurityPrivilege
SeTakeOwnershipPrivilege
SeCreateSymbolicLinkPrivilege
SeAssignPrimaryTokenPrivilege
SeIncreaseQuotaPrivilege
SeTcbPrivilege
SeSystemEnvironmentPrivilege
Registry Key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SDRSVC
Depends on Ole resource dll

Learn how to open RPMSG file and how to open EML file.