How to convert EMLX files ?
Aryson EMLX Converter is the best and professional software to Convert or Migrate EMLX Files to Various File Formats. It is risk-free software that will not corrupt your data. This software can convert EMLX files into PST, EML, MSG, MBOX, PDF, CSV, TXT, and other various file formats. Also, it gives a free demo by which you can easily convert up to 50 file formats.
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Jassie saint commented
Try the MacSonik EMLX Converter, which converts your EMLX files into PST and other formats for all Outlook versions. You can also export EMLX files to email clients such as Gmail, G Suite, Yahoo, etc. It keeps your emails safe and unchanged during conversion. The tool supports converting many EMLX files at once. Additionally, this utility provides a free demo version that allows you to convert 50 items per folder for free. Use it before you buy.
To know more: https://www.macsonik.com/emlx-converter/