How to open .OST file?

5 pts.
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.OST files
Microsoft Outlook 2010
I was looking through the working calendar, e-mail program Outlook 2010 suddenly reported error and closed. After restarting, it couldn't open the .OST file. How to open .OST file?

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  • Amanda lakai
    If you are not able to your OST file data then, you can convert it to PST file. Then import the converted PST file into Outlook. You can now easily access your mailbox data into Outlook.
     
    For performing OST to PST conversion, you would require an OST to PST converter software.
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  • Subhendu Sen
    Virus checking is also an important part to confirm if ur pc is not affected by virus. Or u can re-create an offline outlook data file (.ost).

    They r simply copies of exchange information. It is not necessary to back up this file. It can create a new copy at any time.

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  • bobluis
    OST by default store on local computer, you can still find and open it on your local system.
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  • Harisheldon

    An.ost is the data file, created when you first log onto Outlook. It is not a file to store information on.

    If you ever have any issues logging into Outlook, you can delete the .ost file, and then log back onto Outlook and it will be recreated.

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  • alina91
    use .ost viewer tool available  online or convert it to .pst extension with help of online tools available 
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