How to Convert OST to PST format for outlook

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A lot of users nowadays face the necessity to convert all information from Microsoft Exchange (files with the .ost extension) into files of the Microsoft Outlook mail client (.pst files)

First you need to Download ost2pst.exe file from here and install this program

Once it opens you should see similar to the following screen here you need to select the .ost file to convert .pst format

Once this finished you are ready to import .pst file in outlook

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Hi…
I have just used this tool after a nearly catastrophic failure of Outlook, and it seems to have worked just fine. Compared to other tools that are doing the same thing for as much as $500 (!), this is a highly valuable tool. Thanks mightily for making this available.

I have received an: Internal error (code=0000000E)
Message and nothing happened to my OST file, except, that I had a backup of it with PST extenstion, which is still an unacceptable format to Outlook 2007. The OST file comes from an Outlook 2003 program

Hi!
I’m also receveing the; Internal error (code=0000000E)
I’m trying to export a .ost file from outlook 2003 and get a pst file! The .ost file i’m trying to recover is 1.1 GB ..
Anyone know what to do?

Hi,

Does anyone know if this works with Outlook 2007? I’m trying to save/extract my data from an OST file where the exchange server has died including the backups :-(

Same issues here as others, get the internal error (code=00000000E) and are left with a copy of the original .OST file with a .PST extension.

OST is 1.2GB, created by Outlook 2007…

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