Thunderbird Alternatives for Windows

There are many alternatives to Thunderbird for Windows if you are looking for a replacement. The best Windows alternative is Claws Mail, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Thunderbird and many of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to Thunderbird are SeaMonkey, Betterbird, Mailbird and eM Client.

filter to find the best alternatives

Thunderbird alternatives are mainly Email Clients, but if you're looking for Calendar Apps or Group Chat Apps you can filter on that. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Thunderbird.
Thunderbird iconThunderbird
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Cross-platform email client providing POP/IMAP support, robust filtering, multiple accounts, and chat. Extendable via add-ons with RSS/Atom, etc.

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Thunderbird alternatives page was last updated Feb 13, 2025
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Alternatives
  1. FileOne icon

    FileOne

     10 likes
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    FileOne is an organizer that combines and integrates your notes, documents, contacts, email, photo's/images, calendar and agenda with multimedia.

    64 FileOne alternatives

    License model

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    Start screen of Documents and Notes

    FileOne Features

    1.  Portable
    2.  Integrated Web Browser
    3.  Built-in media player
    4.  Tree view
    5.  Integrated Search
    6.  Built-in Note Taker
    7.  Built-in editor
    8.  AES Encryption
    9.  Non-cloud solution
    10.  Integrated Email Client

    FileOne VS Thunderbird

     
  2. Ymail2 icon

    Ymail2

     2 likes
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    yMail2 is a standalone email client for Windows (and Linux), available for free since 2003. Now with SSL support included so you can use it with Gmail and Hotmail POP3 and SMTP accounts.

    46 Ymail2 alternatives

    License model

    • Free • Proprietary

    Application type

    Country of Origin

    • AU flagAustralia

    Platforms

    • Windows
    • Linux
    Ymail2 screenshot 1
    Discontinued

    Latest version is 2.0.4.3, dated 24 Jan 2014. See http://www.spacejock.com/yMail2_Download.html

    Ymail2 VS Thunderbird

     
  4. EasyEmail Client icon

    EasyEmail Client

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    Email client and email notifier in one. Allows you to send, receive, and manage e-mails, get notifications of incoming email messages from your buddies, coworkers or family members online. Contains free email sender interface ready to cooperate with other software via XML, CSV...

    7 EasyEmail Client alternatives

    License model

    • Freemium • Proprietary

    Application type

    Country of Origin

    • SK flagSlovakia
    • European Union flagEU

    Platforms

    • Windows
    Email buddy notifier.

    EasyEmail Client Features

    1.  Mail Filtering
    2.  Email Organizer
    3.  Email integration
    4.  Email Notifications
    5.  Gmail

    EasyEmail Client VS Thunderbird

     
  5. Ad
    Screenshot
    Mailbird icon
    Mailbird

    Streamline your email experience by managing multiple accounts, integrating apps like Slack and Google Calendar, and using AI-driven features like drafting and spam prevention. Customize your workspace with themes, notifications,...

    https://www.getmailbird.com
    Learn More
  6. Xylo AI icon

    Xylo AI

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    Experience seamless communication with Xylo AI email assistant, the ultimate tool powered by cutting-edge Generative AI and Social Psychology.

    59 Xylo AI alternatives

    License model

    Application types

    Platforms

    • Online
    • Microsoft Outlook
    • Windows
    • Software as a Service (SaaS)
    Xylo AI screenshot 1

    Properties

    1.  Lightweight
    2.  Distraction-free
    3.  Privacy focused

    Features

    1.  End-to-End Encryption
    2.  Extensible by Plugins/Extensions
    3.  No Tracking
    4.  Ad-free
    5.  Calendar Integration
    6.  No Coding Required
    7.  Marketing Automation
    8.  Autocompletion
    9.  Spell Checking
    10.  Mail Filtering
    11.  Cloud Sync
    12.  AI-Powered

    Xylo AI VS Thunderbird

     
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