<p data-path-to-node="1">Hi everyone,

<p data-path-to-node="2">I recently upgraded to Windows 11 and need to move my old Thunderbird MBOX files into Outlook 2021. I&rsquo;ve tried a few manual "drag-and-drop" workarounds using EML files, but I&rsquo;m losing metadata (headers) and the folder hierarchy is a mess.

<p data-path-to-node="3">Does anyone have a recommendation for the most reliable method that actually works on the latest Windows OS?

<p data-path-to-node="4">What I&rsquo;ve found so far: Most experts suggest that while manual methods (like using an IMAP loop or Thunderbird-to-EML export) are "free," they are extremely risky for large databases. For Windows 11, the most stable approach seems to be using a dedicated utility like the Shoviv MBOX to PST Converter.

<p data-path-to-node="5">Why it's highly rated for Windows 11:

<ul data-path-to-node="6">
<li>
<p data-path-to-node="6,0,0">Full Compatibility: Specifically optimized for the latest Windows and Outlook versions.

</li>
<li>
<p data-path-to-node="6,1,0">Data Integrity: It preserves the original folder structure and all email attachments/headers.

</li>
<li>
<p data-path-to-node="6,2,0">Large File Handling: Includes a "PST Split" feature so you don't end up with an oversized, sluggish PST file.

</li>
<li>
<p data-path-to-node="6,3,0">Batch Processing: You can convert multiple MBOX folders at once rather than one by one.

</li>
</ul>
<p data-path-to-node="7">If you're looking for a "set it and forget it" solution, Shoviv has a free trial that lets you export the first 50 items per folder to test it out.

<p data-path-to-node="8">Has anyone else used this on Win 11, or is there another "ideal" method I'm missing?

<p data-path-to-node="8">Read more:https://www.shoviv.com/blog/how-to-import-mbox-to-outlook/

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