Tip & How-To about Microsoft Outlook 2010

Why Does Outlook 2010 OST File Keeps Getting Corrupted?

This is one of the most frequently occurring queries that I have come across while browsing through different forums and communities. Some users experience corruption of their Outlook 2010 OST files more than once and in worst-case scenario, repeatedly. There can be many reasons for this, depending upon the scenarios in which the corruption occurs. In this blog, we have tried to put together all the different scenarios, which lead to repetitive corruption of OST files.

Factors Causing Repetitive OST Corruption

The below mentioned factors may not hold true for every case of OST corruption. There may be a different reason for every different scenario. Ingeneral, these are the major reasons behind OST corruption.

1. Halt In OST Synchronization Process

When OST file synchronizes with Exchange server, all the changes that have been made in the OST file in offline mode, get written to the server. It takes up to 5 minutes in total for 20-50 emails to be synced with Exchange server at an internet speed of 28.8 KB per sec. However, in case due to any fault in the synchronization process, the mails may not be successfully synced to the server. The persistent failure in synchronization process ultimately leads to OST file corruption.

Resolution:
The synchronization issues might be a result of network issues. Check your internet connectivity. A poor net connection may lead to repetitive halt in synchronization process and ultimately leading to insistent OST file corruption.

2. Virus Infection

OST files, similar to other OST files are highly prone to virus infections. Viruses may enter in your system from unsecured websites, infected pen drives, spam emails and so on. These viruses corrupt the internal structure of OST files and render them in an inaccessible or corrupted state. These OST files when opened with Outlook generate errors and the data items residing within the file refuse to be accessed.
Resolution: Get anti-virus software installed in your system. If you already have one, upgrade it to the latest version. This will protect your system from harmful virus infection and will no longer corrupt the OST files.

3.
Damaged Hard Drive Partition

The OST files reside locally on one of the drives of hard disk. In case the drive in which the OST file is located, is posing some corruption issues, then there are chances that these will end up in corrupting the entire data residing on it, including your OST files.

Resolution:
Change the default location of your OST file and save it on a different drive. Also, take a backup of your OST file in an external device and get your hard drive checked for any damage. This may prevent continuous corruption of your OST file.

Conclusion

The above-mentioned solutions may help to put a stop on the time and again corruption of the OST files. However, in case the above solutions, do not work out for you and you still are not able to recover the data residing in the OST file, then you can download a third party tool. OST Wizard is one such tool that recovers the entire data of OST file and saves it in a new and healthy PST File. This PST file can later on be imported in Outlook 2010 and the data residing within it can be accessed easily.

All in One OST File Converter

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