How do I convert OST files into Outlook PST format online for free?
You can try the reliable tool called Free Online OST to PST Converter to convert OST file into Outlook PST format for free. All OST file formats are effectively converted to PST format. The final PST file contains the exact same data that was contained in the OST file, including emails, contacts, notes, diaries, calendars, and so on. Additionally, using this tool doesn't require any technological skill. This application works with all Mac and Microsoft Windows platforms. The new PST opens without any issues on any version of Outlook. Outlook users can view PST files in Outlook 2019, 2016, and other versions by using the Import/Export function.
visit here:-https://www.freeconverter.app/free-online-ost-to-pst-converter/

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Cillian commented
You can convert OST files to PST format using DataVare OST to PST Converter Expert. It is a simple way to convert your offline OST files into accessible PST files without data loss. It supports batch conversion, maintains folder structure and works with all versions of Outlook. The free version allows limited conversions making it perfect for small needs and testing. It is a reliable choice for users looking for an easy OST to PST solution.
Read More: https://www.datavare.com/blog/convert-ost-to-pst-in-ms-outlook-2019-2016-2013-2010.html
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Henry theodore commented
To convert OST files to PST format you need to open the OST file in Outlook and export the data to a PST file. However this only works if the OST file is connected to the original profile. For orphaned, inaccessible OST files manual methods won’t work. In such case using a reliable tool like WholeClear OST to PST Converter is recommended. It simplifies the conversion process, preserves data integrity and supports all Outlook versions without requiring an Exchange profile.
Know More: https://www.wholeclear.com/ost/pst/
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Antonio 2427 commented
Use the reputed eSoftTools OST to PST software to convert OST file to PST in Outlook. This software is designed in such a way that it can be used by anyone, whether a novice or a professional. Get an email filter and preview option in this software that makes your work easier. Check out more of its features by using its free trial without spending money.
Read more- https://www.esofttools.com/blog/export-offline-ost-to-pst-files-in-outlook/
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William Patel commented
Hi all, if you want to convert OST to PST then I suggest TrijaTech OST to PST Converter. This is a smart tool that enables users to convert OST data into various other file formats and email clients. I have used this software to convert my Outlook OST data into a PDF file. You can also download its free demo version and check its functionality. It is safe and easy to use.
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Utkarsh Singh commented
Manual Method Using Outlook -
- Open your Outlook and make sure it is configured with the OST profile. (IF YES)
- Then you can able to convert OST to PST. For that - Go to File > Open & Export > Import/Export.
- Then choose - Export to a file > Outlook Data File (.pst).
- Then select the mailbox/folders and save the PST file at your location.
Using a Dedicated OST to PST Converter Tool
- Choose a Reliable Tool to convert OST to PST. Use software like Stellar Converter for OST.
- Download and Install the software on your computer.
- Open the software and select the OST file from your computer.
- Allow the software to scan the file in your computer.
- Take Preview & Verify the content(data) before conversion.
- Select the data and export it to PST format at your desired location in your computer.
- Save the PST file to the desired location in your computer.
Considerations -
Please backup your OST file it gives you data security.
Select well-reviewed software like Stellar Converter for OST - https://www.stellarinfo.com/convert-ost-to-pst.php