| Platform SDK: MAPI | 
The PR_OBSOLETED_IPMS property contains the identifiers of messages that this message supersedes.
| Header file: | MAPITAGS.H | 
| May be exposed by: | Message objects | 
| Identifier: | 0x001F | 
| Property type: | PT_BINARY | 
| Property tag: | 0x001F0102 | 
| Corresponding X.400 attribute: | IM_OBSOLETED_IPMS | 
The identifiers contained in the PR_OBSOLETED_IPMS property are standard search keys using the format of the PR_SEARCH_KEY property.