Life & fun · alternatives · 2026

24 alternatives to Mozilla Thunderbird Mails

Mozilla Thunderbird Mails to Microsoft Outlook 2019

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Mozilla Thunderbird Mails launched in 2020; newer entries below may have overtaken it.

1. 1
   Mozilla Thunderbird Backup Tool▲66

   Advanced solution to backup and migrate Thunderbird emails

   2022 · migrateclouddata.com · its alternatives →

2. 2
   Thunderbird 115 Supernova▲175

   Make email easier

   2023 · thunderbird.net · its alternatives →

3. 3
   Mozilla Thunderbird▲14

   Flawless Email Desktop Client 👓

   2017 · thunderbird.net · its alternatives →

4. 4
   Mailbird for Mac▲373

   Email the way you like it, now on Mac

   2024 · getmailbird.com · its alternatives →

5. 5
   Airmail 2.0▲208

   Designed for Yosemite with lightning fast performance

   2014 · apps.apple.com · its alternatives →

6. 6
   Thunderbird to Office 365 Converter▲2

   Convert Thunderbird mailbox to Office 365 with attachments

   2023 · sysinfotools.com · its alternatives →

7. 7
   Mailbird with Email Tracking▲121

   Email made easy and beautiful

   2020 · getmailbird.com · its alternatives →

8. 8
   BitData Migration Thunderbird Converter ▲5

   Directly convert batch thunderbird data to another formats

   2024 · bitdatamigration.com · its alternatives →

9. 9
   Airmail▲93

   Lightning fast mail client for OS X

   2013 · airmailapp.com · its alternatives →

10. 10
    Mailbird▲111

    The best email client ever that syncs and unifies your life.

    2015 · getmailbird.com · its alternatives →

11. 11
    WMail▲115

    OSX App for Google Inbox and Gmail

    2016 · github.com · its alternatives →

12. 12
    Letterbird▲134

    A free contact form on the web that’s good enough

    2024 · letterbird.co · its alternatives →

13. 13
    4n6 Thunderbird Converter Software▲2

    Convert Thunderbird Emails to Different File Formats

    2022 · forensiksoft.com · its alternatives →

14. 14
    SysBud Thunderbird to Outlook Converter▲2

    Complete migration from Thunderbird to Outlook

    2019 · sysbud.com · its alternatives →

15. 15
    MigrateEmails Thunderbird Backup Tool▲3

    Best Tool to Backup Thunderbird Emails to 15+ Formats Easily

    2023 · migrateemails.com · its alternatives →

16. 16
    Mailbird▲10

    The best email client for Windows.

    2015 · getmailbird.com · its alternatives →

17. 17
    Mailbird▲5

    Modern Email Client for Windows 7, 8 & 10

    2015 · getmailbird.com · its alternatives →

18. 18
    Export Mail for Microsoft Outlook for Mac▲46

    2021 · exportoutlookmacmail.com · its alternatives →

19. 19
    Thunderbird Converter Tool▲2

    To Convert Thunderbird mailbox emails

    2022 · convertertools.org · its alternatives →

20. 20
    Pop3.io▲4

    Thunderbird for the web. Your unified inbox.

    Jun 2026 · pop3.io · its alternatives →

21. 21
    yasoon▲74

    Let your Outlook inbox fall in love with the cloud

    2014 · yasoon.com · its alternatives →

22. 22
    MeowMail▲103

    Send Emails like Social Media, with 98% Inbox Deliverability

    2024 · apps.shopify.com · its alternatives →

23. 23
    RainLoop▲83

    Simple, modern and fast web-based email client

    2014 · rainloop.net · its alternatives →

24. 24
    Thunderbird AI Email Assistant▲10

    Email-assistent for thunderbird – www.zanteres.com

    2025 · zanteres.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →