Top 24 Best Outlook Alternatives

With 1.2 billion users, Microsoft 365 (formerly Office 365) is one of the most extensively used email servers on the planet, and Outlook is one of the most widely used email apps. It is also simple to connect this tool with Word, PowerPoint, and Excel. It allows you to examine and delete potentially harmful email attachments. However, several flaws exist in this application, and by continually introducing new features and tools, various free Outlook alternatives outperform Outlook. So here’s a roundup of the best Outlook alternatives that can replace Microsoft Outlook with even more features. Read on to learn more about these free Outlook alternative for Windows 10 with Mailbird vs Outlook.

Top 24 Best Outlook Alternatives

Top 24 Best Outlook Alternatives

Most people have been using Outlook as their personal information manager for years. But in recent times, many other alternatives have popped up in the market, challenging the versatility of Outlook. They also urge us to look at some of the flaws Outlook might have been carrying for some time. Some of those shortcomings are:

  • The cumbersome password recovery procedure
  • Lack of task management features
  • Calendar overload
  • Also, exchange accounts are prioritized above other email accounts that might disrupt your productivity.

And these might be the reasons why you found this article. Well, firstly, welcome, and secondly, let us just dive right into the article where you will find the best Outlook alternatives available for you to use.

1. Mailbird

Mailbird | best Outlook alternatives

Mailbird, the most popular and one of the best Outlook alternatives, is a Gmail-compatible email-sending program for Windows. Some of the Mailbird features that make the tussle in this Mailbird vs Outlook much more interesting are:

  • You may personalize your layout using this software.
  • It enables you to operate on your computer while offline right away.
  • Mailbird interfaces with a variety of services, including Facebook, Whatsapp, Dropbox, Google Calendar, and others.
  • You also have the option to snooze a specific message.
  • Mailbird is one of the best email applications for handling numerous accounts. It was created primarily for Windows users searching for a better email client.
  • Any IMAP-enabled email account, as well as POP3 and Exchange, is supported.
  • When it comes to usability, Mailbird is head and shoulders above Outlook. Microsoft’s configuration help has long been a source of frustration for consumers.
  • Mailbird adds any email account instantly, including Gmail, AT&T, AOL, Brighthouse, Outlook, and many others.
  • It allows you to contact people on LinkedIn straight from your mailbox.
  • You may make your own notification sound by uploading it.
  • This software supports several languages.
  • Mailbird is always developing new features and attempting to provide solutions that will help you increase your productivity.
  • It’s a sleek email application that matches your taste.
  • You won’t sacrifice performance or compatibility by customizing the layout, notification sounds, colors, and themes, as you would with Outlook’s add-on customization capabilities.
  • It provides several shortcuts for composing, answering, and forwarding emails.

The prices offered for various subscription periods are:

  • 1 year-long subscription for $39
  • One-time payment of $79 for a lifetime subscription
  • The yearly charge for a business plan is $59

Also Read: Top 26 Best Grammarly Alternatives

2. Shift

Shift | free Outlook alternative for Windows 10

Shift is one of the useful free Outlook alternatives for Windows 10 that lets you control several processes.

  • Shift is one of the best desktop email clients that allow you to mix several email accounts into one inbox.
  • G Suite, Facebook, and Slack are all supported.
  • Extensions can be added to Shift. These extensions include Grammarly, HubSpot, and Zoom, to name a few.
  • It helps you organize and streamline your work, life, and leisure.
  • It provides you the choice to search by account.
  • You can add as many extensions as you like.
  • Inside Shift, you may build personalized workplaces and invite people to participate.

3. Polymail

Polymail | best Outlook alternatives

Polymail is an email client that displays how and when your messages are read.

  • It allows you to personalize and share email templates with your team.
  • You may use this tool to link it to other messaging apps like Slack and Salesforce.
  • You may send yourself email reminders in the future.
  • It keeps track of clicks and downloads.
  • You can send emails at a later time by scheduling them.
  • Report on your team’s activities in detail.
  • Unsubscribing from newsletters might help you clear up your inbox.

Also Read: Fix Outlook App Won’t Open in Windows 10

4. EM Client

EM Client

EM Client is a powerful Outlook rival with a user-friendly UI.

  • You may save a copy of your email as a backup.
  • You can use this application to manage your email, contacts, calendar, and projects.
  • It can work on both Mac and Windows computers.
  • Encryption using PGP (Pretty Good Privacy) is supported.
  • It automatically downloads contacts from the internet.
  • Tables can be simply created, and each cell may be resized.
  • With the EM Client, you may resize, rotate, and flip photographs.
  • The autoreply email feature is supported by this product.

5. Zimbra Desktop

Zimbra Desktop | free Outlook alternative for Windows 10

Zimbra is a cloud-based email, calendaring, and collaboration system which is also the best free Outlook alternative for Windows 10.

  • It’s a smart inbox that helps you discover your emails fast. This software allows you to see your mailbox by conversation.
  • You may access all of your email accounts, both online and offline, with the help of Zimbra Desktop.
  • You can retrieve deleted texts from the trash for up to 30 days.
  • Emails may be dragged and dropped into appropriate folders.
  • You may use it to compose numerous emails at once.
  • You may send photos in your emails.
  • You may use this program to attach several files from your PC.
  • It is one of the free Outlook alternatives that enable you to share mail folders to cooperate with other individuals.
  • You can reverse a send, restore email, and schedule delivery.

Also Read: 28 Best OCR Software for Free on Windows 10

6. Spark

Spark | best Outlook alternatives

Spark is a piece of software that categorizes emails for safe processing. It’s one of the best Outlook alternatives for pinning and snoozing emails. Some other features include:

  • You may quickly discover your email by using a natural language search.
  • It enables users to add comments to their emails.
  • Pre-written emails are included in this software to assist you to react to emails fast.
  • Spark makes customizing your sidebar, swipes, and widgets a breeze.
  • You may collaborate on mail with your coworkers.
  • They offer a lot of connections, a low pricing, and some very great built-in features.
  • Spark is a free email client for personal usage that frequently appears on lists of the top free email applications available.
  • The platform works flawlessly on a variety of platforms and devices.
  • Their search tool recognizes natural language, allowing you to discover messages and attachments easily.
  • Notifications, email signatures, swipe motions, and templates all provide a variety of customization choices.
  • If you’re using Asana or another project management tool to communicate with your team, you may quickly send a link to any VIP emails.
  • You may establish reminders to remind you to respond to crucial emails.
  • You may use it to add a signature to your emails.
  • You’ll only get a notice if an essential message arrives in your inbox.

The commercial plan, which starts at $7.99 per user per month or $6.99 if invoiced yearly, unlocks most of the mentioned features.

7. Postbox


Postbox is a tool for adding dynamic data fields to answers and templates.

  • It allows you to reuse HTML snippets in message responses.
  • Postbox was designed with small businesses in mind, and it provides similar convenience to Apple Mail but with a larger feature set, making it well-suited to any task.
  • Postbox includes several Outlook features, including archiving, spam filtering, speedy search, etc.
  • The fantastic feature set includes smart folders, a Speedy Bar for quick message-triage, and a wide selection of app connections.
  • Dynamic data fields can be included in emails and templates.
  • Picture effects like flipping, rotating, shadowing, and framing can be added.
  • It’s a good email client for folks who want high-quality email themes and layouts.
  • Their drag-and-drop clips are a great way to add some flair to newsletters and image-heavy communications.
  • More than 25 design signature templates are available in this Outlook mail client replacement program.
  • It allows you to send email content to a variety of applications and services, including Slack, Evernote, and others.
  • It aids in the resizing of any image.

Also Read: How to Recover Outlook Password

8. Bluemail

Bluemail | free Outlook alternative for Windows 10

Bluemail is a multi-account email client that can handle an infinite number of accounts. It is one of the free Outlook alternatives that has the following attractive features:

  • It’s one of the best Outlook alternatives, with smart push alerts and group emailing capabilities.
  • You can clear your inbox of starred emails.
  • It safeguards you by encrypting your information.
  • It works on both Android and iOS smartphones and tablets.
  • You may use this tool to customize several email accounts.
  • You can establish reminders for communications that you want to deal with later.
  • You may use it to access calendars and schedule events.
  • You can smoothly transition from one theme to the next.
  • Bluemail can help you keep track of your unread emails.


GNOME | best Outlook alternatives

GNOME is a free and open-source desktop environment for Unix systems. This free Outlook alternative for Windows 10 has some of the best features:

  • It features a dashboard with the most commonly used icons on it.
  • It is possible to set up IMAP and POP mail accounts.
  • You may change the format of the time and date.
  • You can adjust the email window layout with this Outlook alternative.
  • GNOME makes it easy to switch to a widescreen mail view.
  • It enables you to arrange your emails in your inbox.

Also Read: 25 Best Free Web Crawler Tools

10. Mailspring

Mailspring | free Outlook alternative for Windows 10

Mailspring is a straightforward open-source email client for Windows, Mac OS X, and Linux.

  • You may undo sending goods using this app.
  • Office 365 and IMAP (Internet Message Access Protocol) are both supported.
  • Read receipts can be sent by email.
  • It has been rewritten in nine other languages.
  • Mailspring detects the language you’re using and automates spellchecking in that language.
  • It’s one of the best Outlook alternatives for Windows, with touch and gesture functionality.
  • You may add a signature to your email in a matter of seconds.
  • It can convert an English message into a variety of different languages.

11. Spike


Spike unifies all of your personal email accounts into a single inbox.

  • You may use this tool to snooze (put off until later), pin (keep messages in your inbox), or archive (hide emails from your Inbox view) your emails.
  • You can read your messages without headers, signatures, or other trappings.
  • The Priority Inbox filters your emails to show you just the most essential ones. Your newsletters and non-urgent notifications are saved in the “Other” category.
  • It allows for notification customization.
  • Anyone can receive voice messages or remarks.
  • It allows you to preview files directly from your mailbox without having to open them.
  • You may undo emails that have already been sent out.
  • Spike has a feature that allows you to work together to create emails in a group.
  • You may use the cloud program to attach files.

Spike offers a free personal account. Depending on the size of your workforce, you’ll need a different business strategy. And the annual subscription starts at $144.

Also Read: How to Turn Outlook Email Read Receipt On Off

12. | free Outlook alternative for Windows 10 is a digital communication platform that arranges conversions by contact so you can discover exactly what you’re searching for quickly.

  • Your non-conventional communications can be categorized and redesigned into a stream.
  • You may converse with people immediately with our free Outlook email substitute program.
  • June is available on mobile devices, desktop computers, and web browsers.
  • You can use it to undo sending messages.
  • A subscription can be simply blocked or unsubscribed from.
  • June has access to your whole email system.
  • It has the ability to approve, unsubscribe, or ban new individuals or organizations from contacting you.
  • You may share GIFs with others.

13. hiri

hiri | best Outlook alternatives

Hiri is an email management tool that integrates with Microsoft Office 365,, and other services.

  • You may send actionable emails to your team.
  • It allows you to sort emails into categories depending on the subject lines.
  • You’ll be able to stay on top of your emails.
  • You can send a status update message to your peers.
  • Hiri makes it simple to keep track of your to-do list.
  • By dragging and dropping your emails into the task, you may make them into a task.

Also Read: Top 40 Best Coinbase Alternatives

14. EssentialPIM


EssentialPIM is an application for Windows, Android, and iOS that helps you to manage your email.

  • It encrypts your email data with PGP.
  • This software syncs all of your EssentialPIM data across all of your Windows devices via the cloud.
  • It may save any external files that are sent as attachments to emails.
  • EssentialPIM portable is accessible from any mobile device.
  • Any object can be tagged or linked to other things.
  • It may be used in other languages, including English, French, German, and others.
  • You may give people access to your calendar or contacts by giving them access privileges.
  • You may use this tool to add a signature to your email.

15. TypeApp


TypeApp is a program that allows you to keep track of an infinite number of email accounts.

  • It’s one of the finest Outlook alternatives for keeping track of conversions in your inbox.
  • This software gives quick email notice using a tablet, smartwatch, or phone.
  • You may use IMAP, POP3, and other methods to access this app.
  • It has a large number of cloudy themes to choose from.
  • Android wearable devices are supported by TypeApp.
  • You may customize the user interface in any manner you like.
  • It provides a consolidated (merged) inbox where you can access all of your email accounts in one spot.

Also Read: How to Sync Google Calendar with Outlook

16. Mozilla Thunderbird

Mozilla Thunderbird | free Outlook alternative for Windows 10

Thunderbird is an open-source, cross-platform email client from Mozilla.

  • This of the free Outlook alternatives has an easy-to-use wizard for creating an account.
  • You can add people to your address book instantly.
  • The Tabbed Email option is a wonderful feature. It allows you to view your emails by clicking across tabs. When you close Thunderbird, it remembers the tabs you had open for the next time you open it.
  • You may also establish your own unique email address, which allows you to switch ISPs without restriction.
  • Before sending an email, it reminds you to attach anything.
  • New messages, individuals, and tags may all be used to filter your emails.
  • Thunderbird checks for updates automatically.
  • Instead of sending an attachment, you may provide a link to huge files in your email.
  • The wide library of add-ons allows users to customize their experience.
  • It’s an open-source email client with end-to-end encryption that’s safe to use. The application also detects spam and phishing techniques rapidly and does not display HTML or graphics by default.
  • Phishing is a method used to get sensitive information, such as credit card numbers and passwords, among other things, and this free Outlook alternative safeguards against it.
  • You can handle several email accounts by combining the archive, inbox, and sent folders.
  • The email software also relies on volunteers for help, which is inconvenient if you have a pressing technical issue.

17. Apple Mail

Apple Mail | best Outlook alternatives

Apple Mail is a formidable Outlook rival for iPad, iPhone, and other mobile devices. This free Outlook alternative for Windows 10 has the most amazing attributes that will make you use it ASAP.

  • This program allows you to conveniently manage your email accounts.
  • You have the option of sharing files with other people.
  • It allows you to send an unlimited amount of messages to anyone at any time.
  • Apple Mail has a simple to use, clean appearance UI, and provides many of the same basic features as Outlook, such as email sorting and archiving, as well as file sharing.
  • Apple Mail has a variety of optional add-ons, and recent upgrades have brought a slew of new capabilities to the program, greatly expanding its utility.
  • Apple Mail may also be used to login into other accounts such as Google, Yahoo, iCloud, AOL, and Outlook.

Also Read: 24 Best Free Typing Software for PC

18. Hexamail Flow

Hexamail Flow | free Outlook alternative for Windows 10

Hexamail Flow is a powerful free Outlook alternative for Windows 10 with a fully configurable UI that includes tasks, contacts, calendar, and chat.

  • It provides security by using the SMIME (Secure Multipurpose Internet Mail Extensions) encryption mechanism from beginning to finish.
  • This free email software, like Outlook, works with IMAP and POP3 (Post Office Protocol version 3) servers.
  • It’s in the read receipt’s favor.
  • You can examine the images and PDF files that have been attached.
  • A huge file attachment may be uploaded to Google Drive.
  • Large images are automatically resized by Hexamail.
  • It allows you to create and assign tasks to others directly from your email inbox.
  • You may use this tool to forward an email by dragging it onto a contact.
  • It allows you to import Outlook Express email accounts.

19. Gmail


For personal usage, we commonly think of Google’s free web-based email client, Gmail, as the best free Outlook alternative for Windows 10. The company’s productivity and collaboration tool bundle, Google Workspace (formerly G Bundle), does, however, offer a business version of Gmail.

  • You may manage several inboxes using the mobile app.
  • In an attempt to compete with Microsoft and Slack, this version of Gmail offers anything from 30 GB to unlimited cloud storage, depending on the package you choose. It is also integrated with Google Chat, Meet, and Rooms.
  • Users that pay for Google Workspace gain access to the whole Google Workspace toolbox, which includes custom domains, a website builder, a work optimization tool, and increased security, as well as all of the standard Gmail, features like Google Calendar, Drive, and Docs.
  • For even more freedom, Gmail add-ons are now accessible through Google Workspace.
  • However, if you have many email accounts to handle, then this option is inconvenient.
  • Webmail’s built-in features are great.
  • The lack of a desktop client is one of Gmail’s disadvantages.
  • You may pin a shortcut to the Windows 10 taskbar with a simple method.
  • Gmail’s file import features are far more user-friendly than those offered by Outlook.
  • Gmail has much fewer outages and technical difficulties than Outlook.
  • Superior spam filtering and antivirus protection are provided by Google’s sophisticated technologies.

Also Read: Top 32 Best Safe ROM Sites

20. Airmail

Airmail | best Outlook alternatives

Airmail began as a simple email client, but as it increased in functionality, it evolved into one of the most capable email clients available. This free Outlook alternative for Windows 10 has following features:

  • Customizable notifications ensure that you only receive alerts when essential contacts send you emails.
  • Swipe movements may be altered as well.
  • Airmail can help you write faster by providing built-in templates for your most-used responses.
  • Fantastical, Evernote, OmniFocus, Dropbox, and other productivity tools are all compatible with it.

21. Edison Mail

Edison Mail

Edison Mail is one of the free Outlook alternatives that assist you in sorting and managing your emails.

  • It may automatically categorize incoming messages into suitable groupings, such as those containing delivery tracking numbers, subscription messages, and receipts.
  • Edison is even more helpful to folks who prefer to be in charge of their email because it has an undo-send button and the ability to turn off read receipts.
  • This software should not be confused with the Edison Assistant (previously known as EasilyDo or Smart Assistant by EasilyDo), which helps you manage your life in more ways than just email.

Also Read: 15 Best File Compression Tools for Windows

22. Yahoo Mail

Yahoo Mail

Yahoo Mail remains the first choice for thousands of users, even though its relevance isn’t as strong as it once was.

  • The new email app has a contemporary design and provides theming choices straight away.
  • Multiple theming choices, an email signature, block pictures, fingerprint protection, and more are among the additional features.
  • For simple access, all of the critical settings are located at the bottom of the program.
  • Third-party services such as LinkedIn, Dropbox, and Google Drive integrate effectively with Yahoo.
  • It’s also impossible to get rid of them without paying money.
  • The Yahoo Email app’s home page is cluttered with large banner adverts, which can irritate some users.
  • Yahoo, unlike Outlook, isn’t attempting to achieve too much at once. It concentrates on email and succeeds at it.

23. myMail

myMail | free Outlook alternative for Windows 10

Gmail, Yahoo, Outlook, Hotmail, Exchange, AOL,, and other email services are all supported with myMail.

  • The software will take its sweet time to sync emails when you add an email account.
  • It is a delight to use with bottom navigation and a clear UI.
  • The iconography and theme selections are just what you’d expect.
  • The adverts are modest and well-concealed behind the menus, so they don’t distract you while you’re using the program.
  • The software has various theme options, with a mail folder, address book, and other features.
  • MyMail also has fingerprint authentication, which is not available in the Outlook app.
  • Downloading and using myMail is absolutely free.

Also Read: Fix Outlook Password Prompt Reappearing

24. Email – Lightning Fast & Secure Mail

Email - Lightning Fast & Secure Mail | best Outlook alternatives

Email – Lightning Fast & Secure Mail by EasilyDo promises to be the quickest email program on the market, as the name implies.

  • It has a Focused Inbox add-on that works similarly to Outlook and prioritizes the inbox.
  • Subscriptions, Travel, Packages, Bills, Entertainment, and Refund Alerts are just a few of the types of emails that may be discovered by pressing the hamburger menu at the top of the screen.
  • It’s straightforward to find an email, and we wish every email application did the same.
  • With a built-in helper, the email program easily outperforms Outlook.
  • Multiple themes, a personalized signature, a fingerprint lock, templates, color coding, and more are included.
  • Given the variety of capabilities available, it’s amazing that Email Lightning is free to use, unlike other most free Outlook alternatives.


So, these were some of best Outlook alternatives for you to download and use on our system. You can choose and use any mentioned free Outlook alternative for Windows 10 above as per your needs. Feel free to reach out to us with your queries and suggestions via the comments section below.

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