Download Thunderbird - Best Software & Apps

  • Mozilla Thunderbird

    EN 24.0

    License
    free Download
    Platform
    Windows
    Mac

    Excellent mail client from the makers of Firefox

    7
    358 votes
    • PROS: Free to use, Handles virtual identities, Lots of extensions , Easy to import contacts and mails, Support for Microsoft Exchange, Good learning spam filter, Strong encryption and support for certificates
    • CONS: Conversation style message view feature has to be downloaded seperately, Calendar needs to be downloaded seperately
  • Thunderbird Portable

    (en-US) 17.0.8

    License
    free Download
    Platform
    Windows

    Redesigned version of Thunderbird that you can take with you

    7
    127 votes
    • PROS: Allows you to take Thunderbird anywhere, Keep all your e-mails with you anywhere, Fits easily on a USB pen drive
    • CONS: Vulnerable to security breaches if lost, Synchronisation with mail server can be problematic
  • Mozilla Sunbird

    Beta 1.0

    License
    free Download
    Platform
    Windows
    Mac

    Calendar application from the creator of Firefox

    8
    283 votes
    • PROS: Clean simple interface, Good complement to Firefox and Thunderbird, Features add-ons
    • CONS: No integration with Outlook's calendar or Google Calendar, Not updated very often
  • ImportExportTools

    1.6.1

    License
    free Download
    Platform
    Windows

    Import and export Thunderbird messages

    6
    17 votes
    • Mail Viewer

      1.5.2.0

      License
      free Download
      Platform
      Windows

      Practical mail viewer for Outlook and Thunderbird

      4
      12 votes
      • Eudora (Penelope)

        b3 8.0.0

        License
        buy Download
        Platform
        Mac

        Send e-mail to and receive it from friends and coworkers

        7
        7 votes
        • PROS: Good feed reader, Import and export address book, Create filters, Thunderbird add-ons, Find as you type
        • CONS: Can be unstable
      • Thunderbird Fix It

        1.1

        License
        free Download
        Platform
        Windows

        Perform operations in Thunderbird's local folders like undeleting messages, removing attachments, removing duiplic. messages.

        10
        2 votes
        • Lightning

          0.8

          License
          free Download
          Platform
          Windows
          Windows Mobile

          Add a complete calendar to Thunderbird

          7
          43 votes
          • PROS: Integrates into Thunderbird, Easy to use
          • CONS: Too similar to Google Calendar
        • Postbox

          3.0.7

          License
          buy Download
          Platform
          Windows
          Mac

          A promising alternative to Outlook

          7
          25 votes
          • PROS: Set up of accounts is easy, Accepts RSS feeds, Some social media integration, Clear design, Great inbox search
          • CONS: Some features feel under construction
        • MBOX to PST for Thunderbird to Outlook

          1

          License
          free Download
          Platform
          Windows

          MBOX to PST Converter for Thunderbird to Outlook Conversion. Download Free tool to Convert MBOX and MBX to Outlook PST.

          10
          1 vote
          • Datavare MBOX to PST Converter Expert

            1

            License
            free Download
            Platform
            Windows

            Download Free Datavare MBOX to PST Converter Software to Convert MBOX to PST and Thunderbird to MS Outlook PST file format

            9
            1 vote
            • TranslateIt!

              Deluxe 14.0.1

              License
              buy Download
              Platform
              Mac

              Flexible and highly customizable translator

              4
              8 votes
              • PROS: Hover over word to translate, Multilingual, Consult in-built dictionary, Word quiz and flash cards, Supports Firefox, Thunderbird and Office
              • CONS: Hover window pops up everywhere
            • Eudora (Penelope)

              b5 8.0.0

              License
              buy Download
              Platform
              Windows

              Send e-mail to and receive it from friends and coworkers

              4
              6 votes
              • PROS: Good feed reader, Import and export address book, Create filters, Thunderbird add-ons, Find as you type
              • CONS: Can be unstable
            • Thunderbird Converter Wizard

              2

              License
              free Download
              Platform
              Windows

              Easy-to-use Thunderbird Converter to convert emails from Mozilla Thunderbird email client to different file formats.

              10
              2 votes
              • Thunderbird viewer

                2.0

                License
                free Download
                Platform
                Windows

                Thunderbird Viewer Instantly Preview, Open & Read unlimited Thunderbird files with accurate result

                10
                1 vote
                • ThunderBrowse

                  3.2.1.2

                  License
                  free Download
                  Platform
                  Windows

                  A browser integrated into Mozilla Thunderbird

                  9
                  4 votes
                  • PROS: You don't require an external browser, Integrates perfectly into Thunderbird
                  • CONS: Browser window is very small
                • Profile Switcher

                  1.5.0.1

                  License
                  free Download
                  Platform
                  Windows
                  Mac

                  Switch between different Firefox profiles

                  -
                  No votes yet
                  • PROS: Allows you to easily switch between Firefox and Thunderbird profiles, Run two profiles at the same time, Prompts you before switching
                  • CONS: Doesn't display name of profile in Firefox
                • Thunderbird to Outlook Transfer

                  5.0.0

                  License
                  buy Download
                  Platform
                  Windows

                  The program is a powerful Thunderbird to Outlook conversion and migration tool.

                  8
                  4 votes
                  • Thunderbird Backup Wizard

                    2

                    License
                    free Download
                    Platform
                    Windows

                    Thunderbird Backup Wizard to save and backup Thunderbird profiles in MBOX, Outlook, Apple Mail and Windows Live Mail

                    10
                    1 vote
                    • Thunderbird Backup 2012

                      3.7

                      License
                      buy Download
                      Platform
                      Windows

                      Backup all your Mozilla Thunderbird profiles and restore them quickly when needed.

                      10
                      2 votes
                      Softonic’s Best Rated Software for this topic
                      #NameVersionVotesRatingPlatform
                      1Beta 1.02837.9Windows, Mac
                      2EN 24.03587.4Windows, Mac
                      30.8437.4Windows, Windows Mobile
                      4(en-US) 17.0.81277.1Windows
                      53.0.7256.8Windows, Mac