Corruptions Have Been Detected in Offline OST File - Utilize the scanOST.exe

If you are excited to know the working of MS Outlook and its information stockpiling idea, you are most likely mindful of OST (Offline Storage Table) record.

Offline Outlook data (OST) file is fundamentally Exchange Offline organizer that permits clients to proceed with their work on Outlook regardless of the fact that the Outlook customer is not associated with Exchange Server or you are in disconnected mode. It lets you to execute new email creation, save them in drafts, inspect or erase existing messages etc.. When you are associated with web/Exchange server, every one of the variations or modifications will naturally get synchronized with live Exchange Server.

There is Number of reasons that can bring about OST being corrupted or orphaned.

  • Generally, unforeseen issues may happen if the OST surpasses or greater than 2GB. So, ensure the OST is smaller than 2GB.
  • Keep Backup of OST data and stay away from this issue.
  • It is ideal to scan the computer for infections if the issue happens commonly.
  • Outlook unexpectedly shutting down
  • Trojan infectivity.
  • Incorrect document framework recuperation
  • File system recovery in inaccurate manner
  • Power fluctuation

Related Article: Determine OST Synchronization Error

An OST document likewise gets infected when the equivalent profile is rectified or erased. Be it any reason, at last client faces different corruptions. One such inaccuracy is showing underneath.

"Corruptions have been identified in the File Outlook.ost"

  • We can utilize the Inbox Repair Utility (ScanOST.exe) to analyze and repair corruptions in the OST record.
  • This utility scans only OST documents and can be utilized to analyze and repair synchronization issues. The apparatus examines both your OST document and your mailbox on the server running Exchange server, thinks about the things and folders in each, and endeavours to accommodate synchronization contrasts between them.

Main Causes of Corruptions

It is the primary task to know what caused the problem. The cause of the error may be any of the one, including abnormal exit from Outlook, virus attack, or accidental system shutdown.

It is the essential assignment to realize what brought on the issue. The reason for the corruptions might be any of the one, as well as turn off the Outlook in unusual manner, infection assault, or incidental computer shutdown.


Normally, you can't put down the record in the same state and will search for a determination to reinstate it to its previous state and get back all your inaccessible information. To repair Outlook OST document, you have to utilize an inbuilt utility named 'scanost.exe'.

Since you have found the document, complete the beneath given strategy:

  • Turn off your MS Outlook, if it running.
  • For running the utility click on Scnost.exe twice.
  • Discover and pick the OST file which is saved in your system.
  • Check mark on checkbox "Repair Error"
  • Click on "Begin Scan" the repair procedure will start now.

You can undoubtedly do what is explained on top of, however occasionally, you may get caught in the middle of or the procedure neglects to give the wanted results. What ought to be done for this situation? Attempt Ibidinfo OST Recovery Tool to determine every one of the corruption from damaged OST record and save into PST file.

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