Microsoft Mail and Calendar Alternatives

Microsoft Mail and Calendar is described as 'Windows 10 has Mail and Calendar apps already built in' and is a Email Client in the office & productivity category. There are more than 50 alternatives to Microsoft Mail and Calendar for a variety of platforms, including Windows, Mac, Linux, iPhone and Android apps. The best Microsoft Mail and Calendar alternative is Thunderbird, which is both free and Open Source. Other great apps like Microsoft Mail and Calendar are Google Calendar, Betterbird, Fossify Calendar and Evolution.

More about Microsoft Mail and Calendar

Microsoft Mail and Calendar alternatives page was last updated Mar 5, 2025

Sylpheed
62 likes
Sylpheed is a simple, lightweight but featureful, and easy-to-use e-mail client (mailer, MUA).
Cost / License
Free
Open Source
Application type
Email Client
Origin
Japan
Alerts
Discontinued
Platforms
Mac
Windows
Linux
BSD
PortableApps.com
+3
Is Sylpheed a good alternative to Microsoft Mail and Calendar?
Foxmail
19 likes
Foxmail is a free POP3 and IMAP4 e-mail client in English and Chinese for Windows systems.
33 Foxmail alternatives
Cost / License
Free
Proprietary
Application types
Email Client
Calendar App
Origin
China
Platforms
Mac
Windows
Is Foxmail a good alternative to Microsoft Mail and Calendar?
Morgen
29 likes
Brings together calendars, to-dos, productivity apps, and schedulers in one platform. Integrates with major services like Google Calendar, iCloud, Todoist, and video conferencing tools such as Zoom. Offers native scheduling similar to Calendly, enhancing time management efficiency.
111 Morgen alternatives
Cost / License
Subscription
Proprietary
Application types
Calendar App
Todo List Manager
Origin
Switzerland
Platforms
Mac
Windows
Linux
Android
iPhone
+2
Is Morgen a good alternative to Microsoft Mail and Calendar?
Ad
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
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The Bat
51 likes
The Bat! is a secure email client software, built to protect your correspondence against third-parties.
53 The Bat alternatives
Cost / License
Pay once
Proprietary
Application type
Email Client
Origin
Moldova
Platforms
Windows
+4
Is The Bat a good alternative to Microsoft Mail and Calendar?
Mutt
68 likes
Mutt is a small but very powerful text-based mail client for Unix operating systems. Some of its features are: color support, message threading, MIME support (including RFC2047 support for encoded headers), PGP/MIME (RFC2015), various features to support mailing lists, including...
51 Mutt alternatives
Cost / License
Free
Open Source
Application type
Email Client
Origin
United States
Platforms
Mac
Windows
Linux
Xfce
Is Mutt a good alternative to Microsoft Mail and Calendar?
Merkuro Calendar
11 likes
Merkuro is a calendar and contact application that allows you to manage your tasks, events and contacts. Merkuro supports both local calendars as well as a multitude of online calendars: Nextcloud, Google® Calendar, Outlook®, Caldav, and many more.
Cost / License
Free
Open Source
Application types
Todo List Manager
Calendar App
Origin
Germany
EU
Platforms
Linux
+5
Is Merkuro Calendar a good alternative to Microsoft Mail and Calendar?
Nextcloud Mail
11 likes
💌 Mail app for Nextcloud.
Cost / License
Free
Open Source
Application type
Email Client
Origin
Germany
EU
Platforms
Online
Self-Hosted
Nextcloud
Is Nextcloud Mail a good alternative to Microsoft Mail and Calendar?
Superhuman Mail
3 likes
Productivity-centered email application streamlines inbox management, uses AI for drafting responses, automates snippets, summarizes conversations, enables timely sends, integrates calendar and CRM, and includes collaborative features like live views and comments.
53 Superhuman Mail alternatives
Cost / License
Subscription
Proprietary
Application type
Email Client
Origin
United States
Platforms
Mac
Online
iPhone
iPad
Android
Android Tablet
Windows
Is Superhuman Mail a good alternative to Microsoft Mail and Calendar?
MailMate
22 likes
Mac IMAP email client featuring keyboard control, Markdown email composition, advanced search capabilities, smart mailboxes, automatic signature handling, cryptographic options with OpenPGP/S-MIME, tagging, multiple notifications, and customizable layouts including widescreen.
67 MailMate alternatives
Cost / License
Subscription
Proprietary
Application type
Email Client
Origin
International
Platforms
Mac
S/MIME
OpenPGP
+2
Is MailMate a good alternative to Microsoft Mail and Calendar?
Pantheon Mail
11 likes
Mail is designed to let you manage your email quickly and effortlessly. Its interface is based on conversations, so you can read an entire discussion without having to click from message to message.
Cost / License
Free
Open Source
Application type
Email Client
Origin
United States
Platforms
Linux
elementary OS
Is Pantheon Mail a good alternative to Microsoft Mail and Calendar?
HCL Domino
6 likes
An enterprise application server that integrates information into a single workspace, integrates also a full mail server
Cost / License
Pay once
Proprietary
Application types
Email Client
Calendar App
Origin
India
Platforms
Mac
Windows
Online
Is HCL Domino a good alternative to Microsoft Mail and Calendar?
aerc
9 likes
aerc is an email client that runs in your terminal. It's highly efficient and extensible, perfect for the discerning hacker.
Cost / License
Free
Open Source
Application type
Email Client
Platforms
Linux
Is aerc a good alternative to Microsoft Mail and Calendar?