The PR_ATTACH_ADDITIONAL_INFO property provides file type information for a non-Windows attachment.
| Header file: | MAPITAGS.H |
| May be exposed by: | Attachment subobjects |
| Identifier: | 0x370F |
| Property type: | PT_BINARY |
| Property tag: | 0x370F0102 |
The PR_ATTACH_ADDITIONAL_INFO property is used to provide metadata about a particular attachment based on the attachment's encoding. For example, when the PR_ATTACH_ENCODING property contains MacBinary, PR_ATTACH_ADDITIONAL_INFO contains a string which represents the Macintosh file creator and file type, formatted as ":CREA:TYPE" for the encoded Macintosh file.