How to Convert Outlook 2025 .ost to .pst – Step-by-Step Guide
There are several effective ways to convert OST files into PST files using Goldytools OST to PST Converter. One of the most straightforward manual methods involves exporting the mailbox data to a PST file using Microsoft Outlook. Here's a quick guide to help you through the process:
Manual Method: Export Mailbox as a PST File Using Outlook
Step 1: Log in to Microsoft Outlook with the Exchange profile that was originally used to create the OST file.
Step 2: Follow these steps to export the OST mailbox data:
Go to File > Open & Export > Import/Export.
Select Export to a file, then click Next.
Choose Outlook Data File (.pst), and click Next.
Select the mailbox folder(s) you want to export, then click Next.
Choose the destination location to save the PST file, then click Finish.
After completing these steps, your OST data will be saved as a PST file in the specified location.
Prefer a Simpler Way?
While manual methods work, they can be time-consuming and may not be suitable for damaged or inaccessible OST files. That's why we recommend using the Goldytools OST to PST Converter for a faster, more reliable solution. It offers features like:
Batch conversion of multiple OST files
Direct migration to Office 365
A user-friendly interface with drag-and-drop support
Free version available with limited item conversion per folder
If you'd like a step-by-step guide with screenshots, feel free to check out our detailed blog on OST to PST conversion, which walks you through both manual and automated methods.
https://www.goldytools.com/blog/how-to-convert-ost-to-pst-format-with-goldytools-ost-to-pst-converter/

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kristina commented
To convert OST files to PST files with help of an expert solution, try the OST to PST Converter Software, which is a safe solution. The fastest way to convert OST files to PST files without wasting time. Any OST file size can be converted to a PST file size. It works with all versions of Microsoft Outlook, including 2021, 2019, 2016, 2013, 2010, 2007, and more. Users with Windows OS like 11, 10, 8, 7, XP, or Vista can all use this software. Users can also get the test version for free and try it out. Your emails, notes, messages, and other files won't be lost when you convert them from OST to PST.
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Jin Jeonsu commented
Convert OST to PST in 2025. You can also try the manual method for converting OST to PST. But the manual method is a tricky and time-wasting solution, and not all users can easily use it. I suggest a simple solution, the FixVare OST to PST Converter Tool, to convert OST files to PST format without any hassle. It supports all Windows OS and MS Outlook versions. It converts multiple OST files to PST format without using MS Outlook. The software is simple to download, launch, and follow a few simple steps. The OST file or folder can be chosen and converted to PST format. Additionally, you can scan and evaluate the chosen OST files before converting them to PST. Because the software is user-friendly, it is simple for all users to utilise. This software offers a free demo edition so that users can quickly explore and assess its features.
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Ezekiel Jones commented
To convert OST files to PST format in Outlook 2025 with help of the DataVare OST to PST Converter Software makes it simple and quick to convert OST files to PST files. After OST files have been converted to PST files, getting them repaired is easy. You can easily download nad this software and follow the steps to simply convert OST files to PST format. When it converts more than one OST file to a PST file, it doesn't lose any data. The small, simple software makes it easy for everyone to do. It can be used by anyone with Windows OS version such as 11, 10, 8,7, XP, Vista. You don't need MS Outlook to convert OST emails to PST files. Users can check out the tool for free and see what it can do. All of your OST emails, notes, contacts, messages, and other things can be saved as PST files with this tool. It supports all MS Outlook versions like 2021, 2019, 2016, 2013, 2010, 2007, 2003, and 2000.
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