INFO: Microsoft Exchange PAB, PST, and MSG File Structure (184266)

The information in this article applies to:

Microsoft Extended Messaging Application Programming Interface (MAPI)
Collaboration Data Objects (CDO) 1.0a
Collaboration Data Objects (CDO) 1.1
Collaboration Data Objects (CDO) 1.2
Collaboration Data Objects (CDO) 1.21
Microsoft Outlook 97

This article was previously published under Q184266

SUMMARY

The file structure for the files listed below is proprietary. Programmatic access to these files is provided directly through MAPI interfaces, Collaboration Data Objects (1.x), and the Outlook Object Model.

      Description                  File Extension
      -----------                  --------------
   Personal Address Book              .PAB
   Personal Message Store             .PST
   Compound Message Document          .MSG

Modification Type:	Minor	Last Reviewed:	8/18/2005
Keywords:	kbinfo kbMsg KB184266