Tips to Fix “Errors have been detected in the File Outlook.ost” Error of Outlook OST File

29 Sep

Almost all Outlook users have heard about Outlook OST (Offline Storage Table) files and most of them must have used them also. OST files basically enable Outlook users to work offline. The changes, which an Outlook user makes while he/she is offline are stored in his/her OST file and are synchronized with MS Outlook when connected to the Exchange Server. However, there are times when OST file gets corrupt and starts rendering error message, when it tries to sync changes to the Exchange Server. Though Microsoft Outlook has inbuilt utility named Inbox Repair tool (scnost.exe) to repair corruption in OST file. However, if the corruption is severe then this utility too becomes unable to do the needful. In that case using third-party OST to PST converter tool is advisable.

Consider a practical example. Suppose, you have made some changes in offline mode of Outlook and all these changes are saved in OST file. However, you are getting the below mentioned error message when trying to sync these changes to MS Exchange Server:

“Errors have been detected in the File Outlook.ost”

This error message is clear indication of OST file corruption. Some reasons of OST file corruption are:

Causes:

  • Abnormal termination of MS Outlook when accessing OST file or syncing changes.
  • Abrupt system shutdown while accessing or synchronizing OST file is another cause of its corruption
  • Virus infection & File system corruption are other causes responsible for corruption of OST file.

Resolutions:

Possible resolutions to rectify this error message are:

  • If you have backup of your Outlook OST file then you can use it to replace the corrupt OST file.
  • If backup is unavailable then you can try Outlook’s inbuilt utility named scanost.exe to repair it.
  • However, if none of the above resolutions work then using third-party OST to PST converter software is recommended.

There are various third-party tools available online, which can repair corrupt OST file and convert it into installable PST file. Moreover, some of the efficient third-party tools of this category fix inaccessible Outlook .ost file and preserve the formatting of RTF and HTML messages.

One such tool is OST to PST Converter. The software has very easily understandable user interface that even enables a non-technical user to perform the conversion of his/her corrupt or inaccessible OST file to usable PSTs. The software restores emails, contacts, notes, calendar entries, etc. With all these features, the software finds and saves individual mail messages as EML or MSG, save converted files into desired locations, and provides the preview of the mailbox objects before their actual recovery.

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One Response to “Tips to Fix “Errors have been detected in the File Outlook.ost” Error of Outlook OST File”

  1. Bert Leen October 29, 2012 at 12:55 pm #

    Thanks for outlook repair tips share to us and solved my outlook error problem. During this whole investigation i have found outlook repair software, you mentioned, to repair and recover deleted, corrupted emails from ms outlook is very very very GOOD !. I tried and got a new one healthy PST file……!

    Bert Leen

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