Compare software

Mail Backup XEonvelope
Paid

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

 Free

Free and open source under the AGPL-3.0 licence.

Windows, macOS Web, Self-hosted
  • Supports many desktop clients and online mail services
  • Archive viewer and format converter included
  • Supports IMAP, POP, Exchange and JMAP
  • Thread detection and separate storage of attachments and correspondents
  • Proprietary and paid after the trial
  • Developer details are not clear from the site
  • Requires running a Docker stack and accessing it over HTTPS
  • Smaller project with a short track record
Downloadable app Self-hosted
Closed source Open source
License not stated License: AGPL-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.