Easy Way to Fix OST File Not Recognized By Outlook

Outlook as all know has been one of the most renowned email clients which you can deal with when there is internet connection as well as when there is loss of internet. It usually has a finest storage known as OST which generally stores the emails or other Outlook items that are composed during no internet connection. The only problem with Outlook .ost file is, it gets corrupted or damaged so often due to some malicious PC related factors and hence Outlook does not recognize OST file even if it is present in the system. It seems to be a serious problem especially for Outlook users but it is not that you cannot fix this issue. You can easily repair Outlook does not recognize OST file error by converting it to PST file. Just search for the suitable tool online and make use of it; that will definitely help you perform OST file not recognized by Outlook repair.

Which tool to use for fixing OST file not recognized by Outlook?

If you are craving for such Outlook does not recognize OST file repair software, then you can just opt for one of the most effective and reliable utility called Remo Convert OST to PST. It can repair Outlook does not recognize OST file error in fraction of minutes as it uses utmost strong and complex algorithm that other third party tools fail to provide. This efficient program comes with very simple and easy to use framework which consists of only four converting steps. You can have full trust on this software in terms of security and performance as it has been pre-scanned with latest antivirus app and it always gives you accurate result. It works completely well for all the latest versions of Outlook tool, for example, it fixes Outlook 2010 does not recognize OST file error, and many more.

Remo Convert OST to PST utility comes into picture especially when OST file gets into these many scenarios, though you can even convert healthy OST file to PST file format for extracting file contents:

  • Severe virus or malware invasion on Windows computer
  • Infected sectors present in the system hard drive
  • Improper Outlook up-gradation from one version to another
  • Sudden termination of computer due to abrupt power failure
  • Outlook application malfunctioning or hardware failure

Addition to these issues, you will come across so many other factors which will make your .ost file undetectable while trying to access it. But, with Remo OST to PST Converter wizard, you can smoothly convert it to PST file and extract your desired or all the contents from it.

Eminent features of Remo Convert OST to PST software:

  • Advanced application that can convert orphaned OST file to PST file along with your healthy / corrupt / damaged / broken OST files with utmost comfort and fixes them accordingly
  • Easily recovers all Outlook elements such as emails, contacts, calendar entries, journals, notes while repairing OST file error
  • Supports all the latest version of Windows operating system including Windows XP, Windows Vista, Windows 7 and Windows 8, Windows Server 2003, 2008 in order to fix Outlook does not recognize OST file error
  • The repaired OST file can be viewed instantly, that too before saving it with the help of its inbuilt preview option
  • OST file stored in any storage device such as PC internal hard drive, external hard drive, pen drive and so on can be fixed without any trouble
  • You will get demo version and technical assistance as a complimentary which you can apply for absolutely free of cost


Follow the given process to convert .ost to .pst file:

Step 1: Download and install Remo OST to PST Converter tool and install it on your PC. Now, run the app by double clicking on desktop shortcut. Here, you will find two options on the main screen, "Open OST File” and “Find OST File”. Use "Open OST File" option to choose your .ost file if you know its exact location or use “Find OST File” option to search for your OST file.

Outlook Does Not Recognize OST File - Main Screen

Figure A: Main Screen

Step 2: After that, click on "next" button to start the conversion process. The tool then safely converts .ost to .pst file.

OST File Not Recognized By Outlook - Browse OST File

Figure B: Browse OST File

Step 3: You can monitor OST to PST conversion process through the progress bar.

OST File Not Recognized By Outlook Repair - Progress Screen

Figure C: Progress Screen

Step 4: After the tool converts OST to PST completely, the application displays a confirmation message like “OST file converted succesfully”. At last, preview the converted O.ost file along with all its data and then browse the location and save the coverted OST file by clicking on "Save" option.

Repair Outlook Does Not Recognize OST File - Select Destination Path

Figure D: Select Destination Path