Outlook (Classic, Windows): archiving to a .pst (the “proper” classic archive)

• AutoArchive (automatic): Microsoft’s step-by-step guide for enabling and configuring AutoArchive in classic Outlook.
  Microsoft Support: Archive older items automatically

• Manual archive (“Clean Up Old Items”): Microsoft’s guide for running a one-off archive to a .pst with a cut-off date.
  Microsoft Support: Archive items manually

• Understanding the settings (worth reading once): explains what each AutoArchive option actually does and where the archive file lives.
  Microsoft Support: AutoArchive settings explained

• Archive button vs “real” archiving: Microsoft clarifies what the Archive button does (moves to an Archive folder) and that it does not necessarily reduce mailbox size.
  Microsoft Support: Archive in Outlook for Windows

Thunderbird: built-in archive, plus “archive to Local Folders” 

• Official Thunderbird doc (best starting point): covers what Archived Messages are and how archiving works.
  Thunderbird Help: Archived Messages

• Clear basic how-to (short and practical): select messages and click Archive, plus exporting to .eml if you need that workflow.
  VentraIP: Archiving and exporting emails in Thunderbird

• More “proper” setup for archiving locally (moves archive target to Local Folders): good when you want archives stored on the PC rather than kept on the IMAP server.
  Conetix: Archiving Emails in Thunderbird

Apple Mail (macOS) 

• Official Apple guide: export or import mailboxes (.mbox)
  This is the canonical, step-by-step Apple Mail tutorial for creating an archive file you can move or back up.
  Apple Support: Import or export mailboxes in Mail on Mac

• Practical walkthrough: archiving vs exporting in Mac Mail
  Covers both “Archive” (moves messages to an Archive mailbox) and “Export Mailbox” (creates an .mbox archive file).
  VentraIP: Archiving and exporting emails in Mac Mail

Canary Mail 

• Official Canary help: interface overview (shows the Archive control and bulk actions)
  Useful for learning where Archive is and what it does in the app.
  Canary Help: Canary Mail for macOS, an overview

• Canary blog tutorial: archiving workflow (written step-by-step)
  Focuses on “how to archive” behaviour and common methods in practice.
  Canary Mail Blog: Mastering Mac Mail Message Archiving

IF you are a GEN customer and would like some support to help set this up, please reach out to the HelpDesk and raise a case. This configuration would be First Line Support at our lowest rate.