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. Betterbird is a fine-tuned version of Mozilla Thunderbird, Thunderbird on steroids, if you will.
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    2. EfficientPIM is a full-featured personal organizer software program that can help you organize and plan your business and private life. (Free Edition and Portable Edition Available.)
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    3. Clyton is an email client with advanced security and spam filtering features. Although priced for the general public, Clyton possesses the reliability and security required by businesses.
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    4. EmailTray is a smart email client and an email notifier for POP3 and IMAP email accounts, including Gmail, Hotmail, Yahoo mail and AOL. EmailTray intelligently ranks messages, prioritizes them into 4 Inboxes and alerts you only to the most important.
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    5. Koma-Mail is an email client which is comfortable and has very handy functions. It does not need an installation, so that you can run Koma-Mail from your flash drive but, of course, also on your desktop.


      Development of KOMA Code apps stopped in January 2017. Last version of Koma-Mail, 3.83, released in March 2012, can be still downloaded from the official website.

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    6. TrulyMail is an email client and a private messaging system, very feature rich (voice recording, script blocking, etc.).


      The program is no longer developed. Last version, 6.0.2, released in January 2017, can be still downloaded from SoftPedia.

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    7. Desktop Calendar is a cool calendar placed on your windows desktop. Record anything by double-click on desktop. It's very convenient and useful. Desktop Calendar will help you manage appointments, to-do lists, schedules, and more...
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    8. OrgBusiness Software is a software company focused on the development of time management programs that include: Birthday Reminder Software Courier Software Gantt Chart Software Hotel Software Medical Software Password Keeper Software Rental...
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    9. SSuite My Calendar Diary Portable is a software utility whose purpose is to provide individuals with a simple means of keeping better track of their schedule. Portability perks:
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      • FreeProprietary
      • Windows
      DeskTask connects to Microsoft Outlook and displays your calendar and task items on the desktop. * Your tasks will always be visible, saving precious time to launch or switch to Outlook.
      DeskTask vs Microsoft Office Outlook opinions
      pros, cons and recent comments
      DeskTask is just a poor task manager. Outlook is a rich e-mail client, task manager document management calendar and contact manager application
      Negative comment almost 6 years ago

    Showing 40 of 63 alternatives