How to Use downloaded Gmail Archive MBOX file in Outlook 2019, 2016, 2013, 2010, 2007, 2003, 2002, etc. versions. Google Mail Takeout service allows you t ...

Both email file formats are different and stored their data in different ways. So, there is no direct method is available to import MBOX file in Outlook to open Thunderbird email data.

Using Eml2mbox Download eml2mbox (link in Resources), then double-click the downloaded archive to open it and drag the "eml2mbox.rb" file to the directory containing the EML files you want to convert.

Alternatively, open Apple Mail, Outlook or another email application that accepts MBox files and follow your email client's instructions to import the file. Click "Done." ...

If you choose File -> Import Mailboxes, choose Mail for Mac OS X, navigate to the Miscellaneous.mbox folder, and click Choose, Mail will report that No Valid Mail for Mac OS X Files Were Found.

I'm trying to shrink a large mbox file (~2.3GB). In the past I've always used mbox-purge for this sort of thing but for some reason this time it's making a complete mess. After running it, the ...