CubexSoft MWEB Webmail Backup 17.0 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The actual developer of the program is MWeb Webmail Backup. We recommend checking the downloaded files with any free antivirus.
From the developer:
How to backup MWeb emails to my local system? Are you also searching for an effective MWeb email server backup solution, then give a try to MWeb Webmail backup tool that supports to save MWeb webmail archive to PST, PDF, EML, MBOX, HTML, MSG and various other local system supported file formats.