Summary: You wish to convert your OST file to a PST file, but Microsoft Outlook isn't on your computer. Don't worry, you're at the proper place if that's the case. In this article, we'll talk about the best way to convert OST files to PST files without using Outlook. Finish the OST to PST conversion by reading the rest of the instructions. 
 
Have you ever tried to open an OST file without Outlook? If so, you should know that it's not possible. It gets harder if the OST file you want to convert is orphaned.

Don't worry, we'll talk about the easiest technique to convert OST to PST without Outlook in this post. This guide also tells you how to convert OST to PST step by step and what to do to make sure your email exports go smoothly.

Things to do Before Starting the Conversion

There are a few steps you need to follow before converting OST to PST without Outlook. These are the things—

• Firstly, find the OST file location in Windows. This is the path: C:\Users\YourName\AppData\Local\Microsoft\Outlook.
• Make sure you have an exact copy of your OST file.
• If the OST file is big, only use expert tools to check its size.
• Check the type of account: Exchange or IMAP. They might be able to recover on the server side.

Now, here are the procedures to export OST emails to a PST file without having Outlook installed.

How to convert an OST File to a PST File?

You don't need Outlook to convert OST files to PST files. Here are some ways to do it. Take a look at them and pick the one that works best for you.

Method 1: Using Exconvert Admin (for office IT or admins)

If your company is still using Exconvert Server and you are an admin (or can ask IT), follow the steps –

• Go to the Exconvert Admin Center, which is a web panel for admins.
• Pick the mailbox you want to export.
• Select Export to PST.
• Pick a place to save it, such as a shared folder or a network site.
• Once the PST is ready, download it.

Method 2: Using Microsoft 365's eDiscovery tool

You can also use Microsoft 365's eDiscovery tool to convert OST files to PST files without Outlook. Here are the steps –

• Visit the Microsoft Compliance Portal on the web.
• Make a search for the mailbox you want to move.
• Click "Export to PST" after the search is done.
• Use Microsoft's export tool to download the file.
• Export OST File to PST Without Outlook.

Finished! Follow these instructions to convert OST files to PST files without having to install Outlook. But these manual solutions needed technical know-how or help. But if you use the export tool, the process will be easy and quick.

Method 3: Use an automated tool to convert OST to PST

You need a secure tool if the OST file you want to convert doesn't belong to the same profile or if Outlook isn't open. The best way to convert emails from orphaned or those that can't be accessed is to use the TrustVare OST to PST Converter software. It is easy to convert your emails with the OST to PST conversion software, and it won't convert the data. All you need to do is add the OST file and choose the PST as an export option. Most importantly, your data will be safe while you convert emails. Experience the conversion process with the software demo version.

Problems That Often Happen When You Convert OST to PST

1. The OST file is broken and won't open: If an OST file is corrupted or damaged, it can be hard to deal with. One error might cost you years of data. Look for a safe and effective tool that can fix a corrupted OST file without losing any of your data.
2. Large OST File: The Outlook OST file may get overly large as mailbox data develops over time. This can slow down Outlook and make it less stable overall. To avoid any problems, it's best to break up a large OST file into smaller .pst files when you export it.
3. Data Missing: If you don't use the right way to convert OST to PST without Outlook, part of the data may be lost. Get your data out by finding the best option for you.
4. Free solutions are risky: If you want to convert .ost to .pst without Outlook for free, it could put your data at risk. Try to use a secure and efficient solution that can handle your data securely.

Conclusion

This article explains the free methods to convert an OST file to a PST file for backup and other business needs. But there are times when you can't get to the OST file because Outlook won't open or the email profile is gone. To avoid these kinds of problems, you need a competent OST to PST Converter to export an OST file to PST.