Thunderbird maildir - One file per message


  • Much easier to backup


  • Beta. Unstable?


Convert local folder to "maildir"

  • Thunderbird -> Settings (Burger button on start page)
    • Scroll to bottom -> Edit configuration
    • Search for "mail.store_conversion_enabled"
      • Set to true
  • Got to account settings
    • Select local folder -> Settings
    • Storage method: mailbox (one file per message)


Setup for new accounts

Not necessary for conversion of local folder.

  • Thunderbird -> Settings
    • Search Index
      • Save method for new accounts: Switch to "maildir"