Here is the solution to your problem. You can try the EML to MBOX
Converter tool, which can migrate all of your selected files very
carefully. And its also install all the filter data at the desired
location. The software supports the different email clients of outlook
like:- Apple Mail, Thunderbird, Sea-Monkey, Pocomail, Entourage, Eudora
and etc. The software can transfer all of your data with attachments.
It’s a user-friendly software that can easily install your files. The
EML to MBOX Converter tool light in weight, so, it’s easy to install and
the application never make your computer slow.
Visit he-
https://www.downloadtopten.com/converter/eml-to-mbox/
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dallasmethew