2.1024 PidTagSourceKey
Canonical name: PidTagSourceKey
Description: Contains a value that contains an internal global identifier (GID) for this folder or message.
Property ID: 0x65E0
Data type: PtypBinary, 0x0102
Area: Sync
Defining reference: [MS-OXCFXICS] section 2.2.1.2.5
Alternate names: PR_SOURCE_KEY