The Best Free Microsoft Outlook Alternatives


In this article, we will look at some of the best free Microsoft Outlook alternatives.

Microsoft Outlook is one of the best email clients that allows you to manage your emails, contacts, calendars, appointments, etc. It comes as a part of the Microsoft Office suite of software, and many businesses choose Outlook as their first choice of email client.

Due to budget limitations, many small organizations cannot afford to buy Microsoft Office, which includes a Microsoft Outlook email client for all employees, so these organizations look for free email client software as an alternative to Outlook.

We have included some of the best free email client software as alternatives to Outlook in our list below.


Mozilla Thunderbird is a free and open-source cross-platform email client developed by the Mozilla Foundation in December 2004. Since then, many new versions have been released.

The Thunderbird interface is user-friendly and supports IMAP, POP, and Exchange accounts as well. It is the default email client for many Linux Distros, for example, Ubuntu.

It provides loads of customization options and is one of the best Microsoft Outlook alternatives.


  • Mail Account Setup Wizard
  • One-click Address Book
  • Attachment Reminder
  • Tabbed Email
  • Quick Filter Toolbar
  • Search Tools
  • Messages Archive
  • Smart Folders
  • Add-on Manager
  • Robust Privacy
  • Phishing Protection
  • Automated Update
  • Junk Email Filter


EssentialPIM is similar to Outlook and is more than just an email client. It has a user-friendly interface that allows you to manage your day-to-day tasks with ease and is one of the best alternatives to Microsoft Outlook.

EssentialPIM also comes in a portable version that you can load onto a USB flash drive or an external hard drive and use it on any computer. It is a very handy feature to have, especially when you are travelling.

It has some limitations in the free version, but the paid version will give you more advanced new features such as Microsoft Exchange support, integration with online services like Google, iCloud, Outlook365, etc., secure advanced encryption, Kanban board, Offline mode, Version history, Auto backup, and many more.


  • Email
  • Calendar
  • Tasks
  • Notes
  • Contacts
  • Password
  • Portable Version
  • Sync with Android and iPhone

eM Client

eM Client is an email client for Windows and macOS operating systems. It was developed by eM Client Inc. It has a very clean and easy-to-use interface which supports sending and receiving emails, managing calendars, tasks, contacts, and notes, and has live chat integrated as well.

The eM Client supports all the major services, including Gmail, Outlook, iCloud, Office 365, Exchange, and MDaemon.

A free license allows you to create a maximum of two accounts, whereas a paid license allows you to create an unlimited number of accounts.


  • A free license supports a maximum of two accounts.
  • Support for Gmail, Outlook, iCloud, Office 365, Exchange, and MDaemon.
  • Load of customization options
  • Message encryption
  • Message translation
  • Snooze incoming emails
  • Watch for replies
  • Send later
  • Cloud attached support
  • Online meeting support
  • Contacts & Calendar
  • Chat
  • Spell check


Mailspring is a fork of the open source Nylas email client. Nylas Mail was initially released and open-sourced in early 2015 and was maintained by Nylas until Spring 2017. While Nylas no longer supports Nylas Mail, Mailspring was created by one of its developers.

It is faster, leaner, and lighter as compared to Nylas. Mailspring supports multiple accounts, including Gmail, Outlook, Yahoo, IMAP, and Office 365. It is a cross-platform email client.

The paid version adds a slew of advanced features like powerful template support, snooze, reminders, contact profiles, schedulable events, and much more. Unfortunately, it does not support Microsoft Exchange.


  • Multiple accounts (IMAP & Office 365)
  • Mac, Windows, and Linux support
  • Unified inbox
  • Undo send
  • Powerful search
  • Gestures
  • Quicklook integration
  • Notification
  • Drag and drop
  • Message templates
  • Themes and layouts (including dark mode)
  • Localized into 9 languages

To learn how to configure your IMAP Gmail account in Outlook, see the post below.


Microsoft Outlook free alternatives allow you to use email applications for free when your organization has a tight budget. In this blog post, we look at some of the best free email client software.

Spread the love

By Feroz Khan

Feroz Khan works as a system administrator with more than 12 years of experience in information technology. He would like to share the knowledge with others that he has gained during his working experience.

5 1 vote
Article Rating
Notify of

Newest Most Voted
Inline Feedbacks
View all comments
Neha Gupta
Neha Gupta
4 months ago

Thunderbird is the best free email client and the best alternative to Outlook.

Would love your thoughts, please comment.x