How to convert .OST to .PST?

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Microsoft Outlook
Hello All, I need to convert about 16 OST files to PST. So far I have tried the following troubleshooting steps and since they failed and now looking to buy recovery tool but would like to avoid this. Does anyone have any ideas?
  1. Backup ost file(s)
  2. Rename outlook.ost to outlook.pst
  3. Use scanpst.exe from Outlook (in C:Program FilesCommon FilesSystemMapi1033) to repair outlook.pst (You can always copy scanpst.exe from an alternative installation, include MAPI32.DLL and GAPI32.DLL)
  4. Rename outlook.pst back to outlook.ost
  5. Run OST2PST which will then convert the file successfully to outlook.pst
  6. Outlook can then open the outlook.pst file
1

Answer Wiki

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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.

If the manual technique doesn’t work out, you can try a third party Download OST to PST Converter for your OST files. It will be definitely useful. 

You can export Convert your OST file to PST format

As well you can export OST files to Microsoft office365 account directly using OST to PST Converter of Software Imperial.

You will be able to understand completely about OST Converter program here: https://www.experts-exchange.com/articles/29434/Microsoft-OST-to-PST-Converter-Recovery-Software.html

Move your OST emails to Office 365 account downloading OST to Office365 Converter Software

http://www.howtosol.com/products/osttopst/

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  • Subhendu Sen
    Whatever you tried, but it is not cleared that, either this is successful. However you can try by download/install a free utility called ost2 (free to use) and it can help to make your job easy. The link is here: http://www.ost2.com/

    Also you can look here for more concepts, https://support.office.com/en-us/article/Move-an-Outlook-data-file-e7b2e7b2-fb87-406c-85c7-04d4b69cf9a0?queryid=07b6fa3a-e7dc-42e6-8f7b-9c5b0763c98a&respos=0&CTT=1&CorrelationId=73581c97-e1ce-4f7e-9f0f-34937db7b137&ui=en-US&rs=en-US&ad=US&ocmsassetID=HA010378297

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  • ChristianJunge
    I tried this utility, but nothing happened
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  • Subhendu Sen
    Is it installed/configured properly? What error message is shown there?
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  • Ashishkr
    It's a very tremendous task to repair your damaged OST files.
    I've made it simpler with the manual process.

    I think you can also try it.

    1. By exporting OST files To PST
    2. By archiving and
    3. By Drag and drop method.
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  • Ashishkr
    You can manually transfer your Offline OST files to Outlook PST file format with the help of inbuilt Import and Export Wizard.

    Trying following steps given below:

    • Open Microsoft Outlook
    • In File Menu --> Open "Import and Export Wizard"
    • Choose Export a File
    • Select OST files to Convert
    • Choose Desired Location to save converted PST file.
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  • johnphlip

    Hi ChristianJunge You can try manual method to convert your OST file to PST as given below:-
    Open MS Outlook
    Go to File Menu and Select "Import and Export Wizard" and press 't'.
    Select Export a File option and click Next.
    Opt PST and click Next.
    Browse and select desired location to save converted PST file.
    Hit the Finish Button
    OR
    You can us a third party Kernel for Exchange OST to PST Tool to convert your OST file to PST if you are a non technical user.

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  • stevesmith27
    Try this solution to convert OST to PST format: - https://gallery.technet.microsoft.com/OST-to-PST-Outlook-e1ea9bb0
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  • Quinnaddam
    super EDB to PST converter software, you can easily modify EDB enter to PST line within a few clicks. The software also provides an alternative to ameliorate modify EDB enter and retrieve the stored box items. It also supports to import EDB files to PST, Living Mercantilism Server and Part 365. For writer message nearly the software,

    More Info :- http://www.freeviewer.net/ost
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  • vedsharma407
    Here I am going to share a blog which will help you to know how to convert OST to PST file step by step using the manual method.

    hope it works
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  • marina11
    Here is the best solution for the conversion of OST Files to PST Format.

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  • Heatherswift
    If you are unable to resolve corruption of OST file from Scanost.exe tool, then use 3rd party tool like for OST to PST Converter. It’s an advanced & reliable OST file recovery tool to perform email recovery and repair damaged OST files. This software easily saves all recovered OST file into PST formats. http://www.toolsbaer.com/ost-to-pst-conversion/
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  • shivk07
    I would like to suggest another proficient and more advanced OST to PST conversion software, which can easily convert OST to PST file. It also allows you to fix OST errors and recover lost data. Try it: https://www.nucleustechnologies.com/blog/free-methods-convert-ost-to-pst-file/
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  • Subhendu Sen

    Keep in mind, before use any third party tool, make sure it can work properly with a minimum satisfying level. It is better  to ask for a demo before buying.


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  • angelicaross

    Steps for Conversion

    •    Download the  SysOZ OST to PST converter firstly.

    •    Install the application in your system.

    •    Select the particular file which you want to recover.

    •    Click on start button to start the conversion.

    •    You can see the preview of recovered mailbox.

    •    Select the place in your system to save PST file

    •    Press finish button after the recovery process.

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