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Approach to Explore how to Open OST in Outlook

Published on 17 August 15

Microsoft Outlook application creates two types of storage files; OST and PST. OST file store the Exchange profile mailbox whereas PST file stores the emails belonging to the email account you have configured Outlook with. Exchange mailbox can be accessed using the OST file and it can be defined as a local replica of the mailbox which is saved on the disk. Users can easily open .OST in Outlook but under some conditions this easy way of opening OST file in cannot be executed. Some of these conditions are corruption and unavailability of Exchange account. The section below will discuss about similar issues which affects the OST file integrity making it inaccessible.

How OST File Becomes Inaccessible?
Approach to Explore how to Open OST in Outlook - Image 1
Exchange OST file needs to be healthy in order to access its data without any complications. Any deterioration or malfunction in the file can damage the integrity of the file and cause file to throw errors while accessing the emails. This file can be corrupted due to various reasons like server issues, virus intrusion, and corruption in clusters where the file is stored which might result into erroneous messages blocking the access of OST file. In such situations users want to know how to move OST in PST. There are various error messages generated when the OST file is corrupted and these error messages can be of different types.

Exchange OST file corruption can give rise to various types of error messages:

  • Error code 0x8004103b

  • OST Internal error (error code=00000003)

  • Service-specific error 0 (0x0)

All these corruption errors can be prompted due to many reasons which can be either server-side issue or client-side issue. The errors can also be caused due to synchronization issue in the server with client. Such synchronization error ceases the synching of emails with the OST file which is again a frantic issue. Server side issues can be resolved by contacting the service provider, but the client side issues have to be handles by the user only. One of the suitable methods to resolve this kind of issue can be conversion of OST file to PST file Visit-

However, the conversion of an inaccessible or corrupted OST file is not possible through manual procedures. Hence it is suggested to go for commercial utilities like OST Recovery for this requirement. This software has a commendable approach to offer recovery of email data and convert it to PST file and hence you will be then able to open OST in Outlook easily.

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  1. 11 September 18

    OST to PST conversion is easy with the help of smart OST to PST converter tool. The tool effectively convert all OST file data and no matter if OST file is corrupted or in invalid state. The tool quickly and safely convert OST file to PST, MSG, EML, DBX and HTML format. It also provide wide range of advanced features that doesn't match any other alternative solution. More info at:-

  2. 20 October 16

    If your Exchange OST file has corrupted and want to recover it in PST format, then you should try any reliable email conversion software which is acailabe at

  3. 20 October 16

    OST to PST Converter Software to recover OST file data along with whole corrupted Outlook OST email items such as - Inbox, outbox, sent mail, note, task, journals and draft etc. By using this application, you can also move recovered OST file into several formats like – PST, HTML, MSG and EML successfully. For more detail visit here :-

  4. 08 October 16

    An advanced solution for Outlook users to recover corrupt offline storage table (.ost) file data and convert them Personal Storage Table (.pst) file format within minimum times. See full details at:

  5. 18 August 15

    Grab OST to PST Converter most reliable software which can also repair data of OST fie then convert offline OST data into new formats just like OST to PST, EML,MSG and HTML file format. For more query:

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