5 pts.
 How to determine outlook version that created OST file
I have an old OST file that I have been trying to convert to a PST. The problem I am running into is that I need to know what version of Outlook created the OST file. I don't remember the version. Is there any way to figure this out?

Software/Hardware used:
scanpst, ost2pst, pstwalker
ASKED: June 17, 2010  1:26 AM
UPDATED: May 3, 2011  12:20 AM

Answer Wiki:
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Last Wiki Answer Submitted:  March 29, 2011  4:59 am  by    0 pts.
All Answer Wiki Contributors:    0 pts.
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Click Tools > E-mail accounts > View / change existing e-mail accounts > Next and select the Exchange e-mail account, and then click Change. Now click More Settings, and then click the Advanced tab.
OR
u may try This Link

 22,125 pts.

 

I believe that shows the Outlook version and not the version of Outlook which created the ost file (it could come from another PC entirely).

I couldn’t find any info with regards to the structure of the ost file itself. Likely there is some identification there in the header of the file. But…aren’t there only two versions that matter: 2003+ and pre-2003? Can you just try both options one at a time with a copy of the file? Or, is it more specific than that?

 5,005 pts.