Microsoft Office Outlook Alternatives for Windows

    There are many alternatives to Microsoft Office Outlook for Windows if you are looking for a replacement. 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 100 alternatives to Microsoft Office Outlook and loads of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to Microsoft Office Outlook are Mailbird (Paid), eM Client (Freemium), Mailspring (Freemium, Open Source) and Microsoft Mail and Calendar (Free).

    This page was last updated Oct 27, 2021

    1. HCL Notes (formerly IBM/Lotus Notes) is the email client software that gives teams access to email, calendar and contact management capabilities, and seamlessly integrates other collaboration tools and Domino business applications.
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    2. Have you ever wondered why it's such a pain in the butt to use calendaring programs on your computer? It's simple: they don't mimic their real life counterparts very well.
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      • FreeProprietary
      • Mac
      • Windows
      • Linux
      • Firefox
      Simple Mail is a mail client for Firefox. It allows you to get notified, read and write messages for multiple email accounts inside Firefox. Usage:
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    3. Holiline Reminder is both an event reminder and a calendar. Holiline’s aim is to ensure that you do not forget about a friend’s birthday, an important holiday, or another significant event.
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      • FreemiumProprietary
      • Windows
      OE Classic is an email and Usenet reader designed to be a perfect replacement for Outlook Express, Windows Mail, Windows Live Mail and even Mozilla Thunderbird.
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      • FreeProprietary
      • Mac
      • Windows
      • Linux
      • Android
      • Windows Phone
      Keep track of all your Events with free SMS and Email notifications. Store and organize your Events and To-do on Ominder and never forget them again. Events include weather forecast for better planning. All Events and To-do include countdown and age timers for better management.
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    4. Agent is a powerful newsreader and email program for managing your communications: * Multiple News Servers · Agent makes it easy to automate access to all your News Servers and NZB Sites while minimizing your connection costs.
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    5. Quickly see the time until your next meeting from any of your calendars. Click on the button to be taken to your calendar. Update:
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    6. Polar Liquoo is a powerfull calendar software !.
      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      • BSD
      Columba is an email client written in Java, featuring a user-friendly graphical interface with wizards and internalionalization support. Its a powerful mail management tool with features to enhance your productivity and communication.

      Discontinued

      The project is no longer developed. Last version, 1.4, released in March 2007, can be still downloaded from SourceForge.

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    Showing 50 of 63 alternatives