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Mail Backup XMail-Archiver
Paid

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

 Free

Free and open source under the GPL-3.0 licence.

Windows, macOS Web, Self-hosted
  • Supports many desktop clients and online mail services
  • Archive viewer and format converter included
  • Supports IMAP, Microsoft 365 and personal Microsoft accounts
  • Exports to mbox and zipped EML
  • Proprietary and paid after the trial
  • Developer details are not clear from the site
  • Requires running a Docker setup
  • Read-only API cannot modify the archive
Downloadable app Self-hosted
Closed source Open source
License not stated License: GPL-3.0
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 September 24, 2026

Checked October 2, 2026

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