K-9 Mail Alternatives for Windows

    K-9 Mail is not available for Windows but there are plenty of alternatives that runs on Windows with similar functionality. The best Windows alternative is Thunderbird, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to K-9 Mail and 14 are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to K-9 Mail are Microsoft Office Outlook (Paid), Mailspring (Freemium, Open Source), Claws Mail (Free, Open Source) and Opera Mail (Free).

    The list of alternatives was last updated May 16, 2021

    Platforms

    × Clear
    • Mac
    • Android
    • Windows
    • iPhone
    • Android Tablet
    • iPad
    • Linux
    • Online
    • Apple Watch
    • BSD
    • Android Wear
    • PortableApps.com
    • Kindle Fire
    • Haiku
    • Ubuntu
    • Zoho Mail
    • Software as a Service (SaaS)
    • PureOS (Purism)
    • Fedora
    • Android SDK

    Features

    • Multiple Account support
    • Support for IMAP
    • POP3 Support
    • Customizable
    • Exchange
    • Calendar integration
    • Unified inbox
    • Organize mails
    • Portable
    • Built-in RSS reader
    • Extensible by Plugins/Extensions
    • Night mode/Dark Theme
    • Calendar
    • Ad-free
    • Built-in Calendar
    • Email scheduling
    • Clean design
    • Dropbox integration
    • Notifications
    • Mobile friendly

    License

    • Free
    • Open Source
    • Paid
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    Showing 10 of 14 alternatives