Microsoft removed 2gb152.exe (1MB) that was formerly at microsoft.com/en-us/download/details.aspx?id=12972. CNet has msstdfmt.dll inside file 2gb152.exe at download.cnet.com/Echange-2000-Tool-PST2GB/3001-2094_4-10731662.html.

Extract msstdfmt.dll from 2gb152.exe and copy msstdfmt.dll to:

• Windows XP: c:/windows/system32/
• Windows 7: c:/windows/system/syswow64/

Register this file in Windows from an Administrator command prompt, typing:

• Windows XP: regsvr32 c:/windows/system32/msstdfmt.dll
• Windows 7: regsvr32 c:/windows/syswow64/msstdfmt.dll