Open Outlook Data File .ost in Outlook 2010

How To Open Outlook Data File .ost in Outlook 2010, 2013, 2016, 2019?

Are you in a situation where you need to open some orphaned OST files or import them in Outlook application? If you are unable to do this and searching for a solution to the query How To Open Outlook Data File .ost in outlook 2010, 2016, 2013, or any other edition, then this blog is the right place for you. Here we are going to discuss the best solution that users can try to open inaccessible OST files in Outlook.

Microsoft Outlook email client is available for users to do emailing process with complete security and fewer efforts. To secure the user’s mailbox data outlook offers the function of saving data in data files like- PST and OST. Both OST and PST are Outlook data files in which Outlook users information like- emails, contacts, calendars, tasks, notes, etc.

Users can easily import and explore all data from PST files in Outlook without facing any kind of problem. But in a case where users need to import/Open Outlook Data File .ost in Outlook, they might face problems. And if the OST file is inaccessible or in a corrupt state, it becomes impossible to access its inner information.

Now the question is what is the solution for this problem?

Solution to Open Outlook Data File .ost in Outlook

If you are unable to directly open orphaned OST files in Outlook 2010, 2013, 2016, 2019, or any other edition. The only method that is now available to Open OST files in Outlook is Convert OST to PST files. Now we have the answer but how we can do to complete this process of OST Conversion.

Manual techniques are available to Export/Convert OST to PST but they will only work if the OST files are in a readable form. To Convert/Open corrupt or inaccessible Outlook Data File .ost in outlook users have to try an automated solution like- OST Converter Software.

View/Open OST file and Convert OST to PST Using OST Converter

The method user can try to easily open orphaned/inaccessible OST files is to perform OST file conversion. For doing this process all users can take advantage of Passfixer OST to PST Converter Software. This is the easiest trick to instantly convert OST to PST files. Not only for conversion users can also use this utility to repair corruption errors from OST files. In addition, it offers a preview panel that in which users can view all OST mailbox items without outlook.

How to Open Outlook Data File .ost with OST Converter/Viewer?

  • Download & Install OST To PST Converter Software on a windows computer.
  • From the first screen select the MS Outlook OST file option. After this choose anyone from the options Add single OST file or Add multiple OST file. Import OST file or folders then click the Next button.
Main screen OST Converter
  • Scan OST mailboxes load all its inner data also user can view emails other elements of OST file.
preview OST emails
  • Select the Required folders then press the Convert button.
  • Choose PST file option from the conversion options and choose the destination path to save the files.
OST Conversion options
  • Click the Convert button and start the conversion process.

After completing the conversion process simply Import the resulted PST file in Outlook. Now easily Open Outlook Data File .ost in Outlook 2010, 2013, 2016, 2019, and another version with no problem.


Here in this blog, we have described the methods to Open Outlook Data File .ost in outlook 2010 and other editions. As a result, we can say opening OST files directly in Outlook is not possible. But the method of Converting OST files into healthy PST is the only solution. Users can give a try OST Converter Software to easily convert OST to PST and accessing OST file data. To know the software functions use its demo version.

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