Fixed - 'Errors Have Been Detected in Your .Ost file' in Outlook

Updated on April 01, 2020

When errors have been detected in the Outlook OST file, and scanPST.exe fails to fix the errors, the only way to fix the issue is converting the OST file to a healthy PST with Remo OST to PST Converter software. Download the free Remo OST to PST Converter and convert the corrupt OST to a PST file in three easy steps..



In Microsoft Outlook 2016/2013, and earlier versions, users often face the following error message while working with .ost file -

"Errors have been detected in the file C:\Users\\AppData\Local\Microsoft\Outlook\.ost"

“Errors detected in Outlook OST file” clearly indicates that the Offline Storage Table (OST) file is corrupted. There are various reasons for OST file to get corrupted, some of them include –

  • Oversized OST file
  • OST file header corruption
  • Virus/malware infection in the OST file
  • Accidental deletion of Exchange mailbox
  • Sharing OST data file over the network
  • Improper system shutdown
  • Closing Outlook app abruptly

These instances lead to OST file corruption, in turn, the issue "errors have been detected in Outlook OST file”. You can see the message “Use Inbox repair tool (scanpst.exe) to diagnose and repair errors in the file” along with the OST error.

So, run ScanPST and try to fix the issue “errors have been detected in the file Outlook OST” using below steps.

  • Close Outlook. Go to Start, find and open the scanpst.exe file
  • Click the Browse button, select your corrupted OST file and hit Start
  • Once scanning is done, opt to save a backup of the file and click the Repair button

Though Microsoft Office Outlook application provided a built-in Inbox Repair tool- Scanpst.exe to fix corrupt OST and PST files, this tool can only repair minor errors in Outlook data file. Major issues with your OST file cannot be fixed with Scanpst.exe. So, the only option left out to fix "errors have been detected in the Outlook OST file" is to convert corrupt OST file to a PST file with Remo OST to PST Converter tool, a professional one to convert a corrupt or a healthy OST file to a PST file.

Remo OST to PST Converter tool to convert corrupt OST to PST File:

When scanPST.exe fails to fix the issues with OST file, then you have to rely on third party tool like Remo OST to PST Converter to convert the corrupt OST file to a healthy PST file. The tool converts the corrupt OST to PST file, and also recovers inaccessible or deleted emails, contacts, notes, tasks, RSS Feeds, and other Outlook attributes from OST file. Moreover, the tool is compatible with all Outlook versions including Outlook 2016, 2013, 2010, 2007, 2003, and Outlook 2000. You can free download the software, and evaluate the results prior purchasing, as it comes out in free demo edition. The detailed procedure to convert OST to PST file is explained below with screenshots.


Steps to Convert OST to PST File:


Download Remo OST to PST converter tool using the Download Now button and install it on your Windows running computer. Launch and begin performing the following easy-to-execute-steps to convert OST to PST:

Step 1: On the main screen, you will see two options. If you are aware of the location of the OST file, go to Open OST File otherwise choose Find OST File option.

OST to PST Converter Software

Figure 1: Main Screen

Step 2: Select location to save your converted OST file and click on Convert button

Microsoft OST to PST Converter

Figure 2: Browse OST File

Step 3: Wait for the session to get completed. After completion open converted PST file and access all your offline work

Convert OST to PST using Remo

Figure 3: Converting OST to PST File in Progress

You can use the demo version of Remo OST to PST Converter to examine its performance by reviewing the healthy PST contents. The software produces an error-free PST file after conversion which will further be fully accessible through Microsoft Outlook.