OST files could be corrupted due to many reasons. We explain them into two classes like Hardware reason and Software reason. Sometimes you may face difficulty to view, read or open of OST file. This situation arises due to corruption.
Hardware Reason – Due to failure of hardware, data transmission or communication process is lost between Exchange Server and Outlook, in such condition OST file get corrupted or inaccessible. This is following –
Failure of Data Storage Device: Owing bad sector in your hard disk and your Outlook OST file is stored on the particular sector, in such condition OST file may be corrupted or inaccessible.
Failure of Networking Connection: When networking connection is failure then OST file synchronization process with Exchange Server is aborted and OST file gets corrupted.
Failure of Power Supply: If synchronization process of OST file is proceed and suddenly failure power supply of your system due to any reason, in such condition your OST file gets corrupted because synchronization process is suddenly break.
Software Reason:
OST file corrupted due to software issue which is following-
Incorrect File System Recovery: Due to system disaster some part of the OST file is lost then OST file get corrupted or inaccessible with Outlook mailbox. Therefore, you should find worthy data recovery tool to recover your OST file completely.
Suddenly or Abnormally Terminate Outlook: If you do not close Outlook application properly and terminate your Outlook application abnormally, in such condition OST file gets corrupted.
Error in Synchronization: This is one of the key reasons behind OST file corruption. If the synchronization process does not competed between OST file and Exchange Server due to any fault of Exchange Server or upgrading of Server therefore OST file get corrupted or inaccessible.
Virus or Malicious Software: It is the most common reason of OST file corruption. If you are not using well-quality antivirus software then virus attack on the Exchange OST files then make it inaccessible.
Therefore you should install worthy anti-virus for your Exchange Server email system.
Deleted Emails Accidently: User mailbox or email accounts deleted by mistake then OST file get inaccessible.
If you got corrupted OST file due to upper described software and hardware reason, you can go with trusty or handy OST to PST Conversion software to quickly repair all the corruption issue from OST file and recover corrupted or inaccessible Exchange OST file.

Hardware Reason – Due to failure of hardware, data transmission or communication process is lost between Exchange Server and Outlook, in such condition OST file get corrupted or inaccessible. This is following –
Failure of Data Storage Device: Owing bad sector in your hard disk and your Outlook OST file is stored on the particular sector, in such condition OST file may be corrupted or inaccessible.
Failure of Networking Connection: When networking connection is failure then OST file synchronization process with Exchange Server is aborted and OST file gets corrupted.
Failure of Power Supply: If synchronization process of OST file is proceed and suddenly failure power supply of your system due to any reason, in such condition your OST file gets corrupted because synchronization process is suddenly break.
Software Reason:
OST file corrupted due to software issue which is following-
Incorrect File System Recovery: Due to system disaster some part of the OST file is lost then OST file get corrupted or inaccessible with Outlook mailbox. Therefore, you should find worthy data recovery tool to recover your OST file completely.
Suddenly or Abnormally Terminate Outlook: If you do not close Outlook application properly and terminate your Outlook application abnormally, in such condition OST file gets corrupted.
Error in Synchronization: This is one of the key reasons behind OST file corruption. If the synchronization process does not competed between OST file and Exchange Server due to any fault of Exchange Server or upgrading of Server therefore OST file get corrupted or inaccessible.
Virus or Malicious Software: It is the most common reason of OST file corruption. If you are not using well-quality antivirus software then virus attack on the Exchange OST files then make it inaccessible.
Therefore you should install worthy anti-virus for your Exchange Server email system.
Deleted Emails Accidently: User mailbox or email accounts deleted by mistake then OST file get inaccessible.
If you got corrupted OST file due to upper described software and hardware reason, you can go with trusty or handy OST to PST Conversion software to quickly repair all the corruption issue from OST file and recover corrupted or inaccessible Exchange OST file.






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