Helping people with computers... one answer at a time.
You can convert an .ost from Outlook 2003 to a .pst by copying its contents into a new .pst file, but you must be able to open the .ost.
How can I convert an .ost from Outlook 2003 to a .pst file? I have tried ost2pst.exe, but it does not support 2003.
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Well, to begin with, there is an (expensive) program called Exchange Recovery 2.0 that claims to handle the new 2003 file formats.
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If you can open the OST file in off-line mode, you can then create a PST and simply copy the contents of the OST over to the PST. The trick here is opening the OST at all since it is typically tied to a specific profile or Exchange Server account settings. If that account is not available, then you may not be able to open the OST.
A Google Search for "OST PST conversion" returns several companies that provide for-fee conversion services.
Article C2078 - June 22, 2004 « »
Leo A. Notenboom has been playing with computers since he
was required to take a programming class in 1976. An 18 year career as a programmer at Microsoft soon followed.
After "retiring" in 2001, Leo started Ask Leo! in 2003 as a place for answers
to common computer and technical questions. More about Leo.
November 24, 2006 1:22 AM
The easies way to open your .ost file on outlook is to export your mail account to a .pst file. You can open the file on other outlook applications.
April 21, 2007 2:37 AM
I tried a lot to recover my ost files. But i really fedup for one day. After all when i am searching internet for a solution i got this link to your web page. I succeeded in the opertion. I am thanking this site for the kind information.
Thanks a lot.
Rajesh Raman
Technical Executive
Vinirma Consulting Private Limited.
June 28, 2007 9:10 AM
I just recovered an Outlook 2003 .ost by converting it to .pst using the stellar phoenix demo program which was linked to above. Definitely helped me dodge an IT bullet.
September 9, 2007 7:47 PM
P.S. if you need to open a .rar file for god's sakes use 7-zip not some trial version POS like WinRAR
May 26, 2008 9:51 AM
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26-May-2008
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