How Do I Convert or Open Orphaned Outlook Offline File?

There could be a variety of reasons why you find up with an OST file that you need to open without access to an MS Exchange server. When you make an OST file backup of your MS Outlook mailbox, one of these scenarios can occur. You can no longer open the backup OST file directly in MS Outlook. You can either follow a long list of steps for a manual procedure (which may or may not work in some circumstances) or use an OST to PST conversion application that can easily open orphaned Outlook offline files to PST file format and to convert OST to PST a fantastic solution.

One Manual Method for Converting an OST Backup to a PST

It’s not a big concern if you have an orphaned OST file and are no longer limited to MS Outlook. OST files can still be recovered and converted to PST files. So, if you don’t want to spend money on commercial tools or time to recover your messages, here’s how to do it for free:

All you require is a copy of Microsoft Outlook on your computer.

  1. Launch Outlook.
  2. MOST IMPORTANTLY, turn off the automated Send/Receive feature (Outlook may not sync automatically)
  3. In MS Outlook, create a new dummy mailbox that will serve as a container. The container will be required. ost like a jar in a minute
  4. Go to the location on your device where this OST file is kept and open it.
  5.  Close MS Outlook now.
  6. Now, take the OST file that you want to convert (and that isn’t in Outlook since if it was, you wouldn’t have to do this) and open it in Notepad.
  7. Rename your OST file to the container now.
  8. ost. Next, make a clone of this container and overwrite it. start with the one you’ve got.
  9. Now open MS Outlook once more.
  10. Use MS Outlook’s Import/Export function to export your dummy mailbox into a PST file.
  11. Carry out the same procedure for all orphaned OST files.

It makes no difference how your mailbox is configured. It just works.

So, if your problem is solved after attempting the previous ways, then VOILA! You’re an absolute genius. But what if the problem goes away but you still can’t figure out how to fix it? Another option is to use a tool that allows you to quickly open orphaned Outlook offline files to PST.

How Do I Open Orphaned Outlook Offline File to PST Format Quickly?

As we all know, both quality and comfort come at a price. As a result, the most convenient and reliable way to convert any inaccessible OST file backup into PST format is to use an OST to PST conversion application, some of which are stated below:

  • Large OST file backups can be converted to PST files in less time with this tool.
  • Manual approaches necessitate technical knowledge and the ability to work independently. The OST to PST conversion tool, on the other hand, is a straightforward wizard that will walk you through each step.
  • You may lose data if you use a manual procedure; however, using an OST to PST converter to open orphaned Outlook offline file to ensures that no data is lost.
  • If you have numerous OST files, you’ll have to repeat the operation several times, although you can do batch migration with the OST tool.
  • Aside from that, there are numerous other advantages to employing a premium OST to PST converter over a manual method, but if you are more worried about the money than the data, you should definitely try your FREE solution.


Let’s say your OST file is still corrupt after you’ve tried all of the methods outlined above. Converting an OST file to the PST file format, which allows you to restore all of your Outlook objects, including the original structure and rules, is the only confirmed technique to fix the OST file from corruption without risk. convert OST to PST a easy solution.

With this technique, you can restore OST file corruption and retrieve Outlook data by recreating your OST file. This technique will not restore Outlook folders or objects, such as emails if they were not synchronized with the Exchange server.

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