2.2.1.3.2 MetaTagIdsetNoLongerInScope Meta-Property
Property ID: 0x4021
Data type: PtypBinary, 0x0102 ([MS-OXCDATA] section 2.11.1)
The MetaTagIdsetNoLongerInScope property contains a serialization of a REPLID-based IDSET structures, as specified in section 2.2.2.4.1. The IDSETs contain the IDs of messages that got out of the synchronization scope since the last synchronization identified by the initial ICS state. Messages that no longer match a restriction are considered out of synchronization scope. For more details about how an IDSET is serialized, see section 3.1.5.4.
Note that messages moved to another folder are considered soft deleted in the source folder; hard deleted and soft deleted messages are reported in the MetaTagIdsetDeleted property (section 2.2.1.3.1).