Compare software

Mail-ArchiverMail Backup X
Free

Free and open source under the GPL-3.0 licence.

 Paid

Free to try, with a paid licence to keep using it.

Web, Self-hosted Windows, macOS
  • Supports IMAP, Microsoft 365 and personal Microsoft accounts
  • Exports to mbox and zipped EML
  • Supports many desktop clients and online mail services
  • Archive viewer and format converter included
  • Requires running a Docker setup
  • Read-only API cannot modify the archive
  • Proprietary and paid after the trial
  • Developer details are not clear from the site
Self-hosted Downloadable app
Open source Closed source
License: GPL-3.0 License not stated
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked October 2, 2026

Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.