Best Free Email Programs For Windows 10 And 11 In 2023 (2023)

What Makes a Great Email Program for Windows?

Because there are so many email clients out there, choosing the best email app for Windows 10 can feel overwhelming. Luckily for you, we're here to help you identify what features to look for in mail programs so you can select the best option based on your needs.

When comparing mail apps for Windows 10, you want to make sure you choose an option that is compatible with a variety of email providers, especially if you use a combination of providers for your personal and business email addresses. For example, if you use Gmail for your work mail and Yahoo! for your personal inbox, you may want a program that easily supports both without any effort needed. You should also look for an application that's easy to set up and use, but leaves room for customizations.

Of course, any program that also integrates with other applications you use on a daily basis or offers other perks that can boost your productivity and save you time is always a plus. For example, some of the best free email programs for Windows also offer integrations with Dropbox, Google Calendar, and other common business applications. Having all the tools you need in one place saves you time and helps maximize your productivity, especially if they also offer email apps for Android or iOS in addition to your Windows device.

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Best Free Email Programs For Windows 10 And 11 In 2023 (1)

Top Free Email Programs for Windows 10 and 11

There are literally dozens of email programs out there that help you combine multiple inboxes in one centralized location. However, all of the best email programs listed below have one thing in common: you can use them for free.

When compiling this list, we didn't just look for free email programs — we also looked for programs that are easy to set up, compatible with nearly any email provider, and offered some other features that made it stand out from the pack. While some offer unique tools and integration options, others make it easier to do everything straight from your inbox. In other words, at least one of these free email programs for Windows 10 and 11 will meet your needs — it just depends on what you're looking for.

1. Mailbird - Perfect for App Integration and Putting It All in One Place

Just because email has been around for a very long time doesn’t mean that programs should have a conservative user interface and look as if they were designed for Windows XP. Mailbird is a powerful, beautiful, customizable, and intuitive program that lets you manage multiple accounts at the same time, so there’s just one inbox to check every morning, instead of two, three, or even ten.

It’s available in 17 languages, supports convenient keyboard shortcuts, has snooze and attachment search functionality, and includes unique Mailbird filters. Furthermore, Mailbird integrates with apps like Facebook, Twitter, Whatsapp, Dropbox, Google Calendar, Asana, Todoist, and many others.

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Mailbird is a free email app for Windows 10 and 11, however, the free version of Mailbird offers significantly less features than their paid tiers.

In fact, the free version of Mailbird does not support more than one inbox at a time, and it only allows integration with a few other applications. Therefore, to really take full advantage of all that Mailbird has to offer, users must pony up the cash for one of their paid versions.

Mailbird is fairly easy to set up, and mostly walks you through the steps during your first session. However, you can go in and add a new address at any time by going to Menu → Options → Accounts. From there, you can add a new account or make changes to already existing accounts.

Pricing: In addition to its limited free email client version, Mailbird offers a personal version for a one-time fee of $79 (or $3.25/month) and a business version for $399 (or $4.92/month). These versions allow you to hold unlimited email accounts, plus the paid tiers include integration with social media accounts and business applications like Asana.

👍🏼 Pros:

  • Beautiful and highly functional user interface
  • Unified inbox that lets you manage emails accounts from a single window
  • Affordable price
  • Third-party app integrations
  • Snooze functionality

👎🏼 Cons:

  • No automation features or bulk email cleanup functionality

2. Mozilla Thunderbird - The Best Free-To-Use Option Out There

If you believe in open source email software and look for new free email clients for Windows 10, Mozilla Thunderbird is a great choice. This open-source cross-platform and free email client, news client, RSS, and chat client is developed by the Mozilla Foundation, and its strategy is modeled after that of the Mozilla Firefox web browser.

Thunderbird lets you manage accounts that use IMAP, SMTP, and SSL/TLS protocols, and it has a whole host of useful extra features to convince you to give it a try. Its one-click address book allows you to quickly and easily add people to your address book, so you never have to look up an address on the internet ever again.

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An automatic attachment reminder displays whenever you forget to include an attachment before hitting send. And you can open multiple tabs in the same window to minimize desktop clutter.

Of course, if you're worried about Thunderbird lacking in integrations and add-ons since it's free and open source, then let me put those fears at ease. Believe it or not, Thunderbird offers lots of handy add-ons, not to mention the open source functionality gives developers the opportunity to code their own custom add-ons if you can't find what you need.

To get started with Thunderbird, download the application, then navigate to Tools → Account Settings → Account Actions → Add Mail Account. Once you’ve added all of the addresses you’d like to support within Thunderbird, you can begin testing out all of its other features.

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Pricing: As you've already read, Thunderbird is the only completely free email app for Windows 10 and 11 on our list. There are no hidden fees and no catches — it's all free and it's all ready for you to test out!

👍🏼 Pros:

  • Free and open source
  • Tabbed user interface
  • Automatic attachment reminders
  • Support for various third-party online services and extensions

👎🏼 Cons:

  • Doesn’t have full support for Microsoft Exchange Server

3. eM Client - The Best Free Email Client for Windows 10 in Terms of Customization

eM Client is one of the best email programs for Windows 10 and 11 that gives you everything you need for managing emails effectively, and contacts in just one application. Its developers understand that email is a communication tool that works best when it's integrated with other applications and services.

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While you can use eM Client as a stand-alone email program for Windows, it shines the most when you take advantage of its calendar management system that lets you manage your appointments in a beautiful and highly customizable interface, comprehensive contacts with several views and exhaustive fields, and built-in chat functionality for instant communication with friends and colleagues alike.

You can try eM Client for free, but you have to pay for eM Client Pro to unlock all of its features. eM Client is primarily a Windows email program, but there’s also a beta version of eM Client email client for Mac computers, which you can try for free.

To get started with eM Client, download the application. Then, to add your addresses in, navigate to Menu → Accounts → +Add Account. It’s that simple!

Pricing: In addition to the free email client version, eM Client offers a paid version for just $49.99 as a one-time fee. This paid version gives you the ability to connect unlimited addresses, and many other great features.

👍🏼 Pros:

  • Comprehensive features with integrated chat
  • Easy to set up
  • Built-in translation tool

👎🏼 Cons:

  • Free version is very limited

4. Windows Mail - A Simple Free Email Program With A Focused Inbox

Windows Mail is the default email program in Windows 10 and Windows 11, and you shouldn’t dismiss it just because you use Outlook at work and dislike it with passion. In fact, Mail and Outlook have very little in common.

Overall, Windows Mail is a lightweight Windows mail app designed with simplicity in mind. While this means Mail can’t do much, but the little it does works great, and it’s just a few clicks away.

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Within the settings, you can personalize your inbox a bit, set a custom signature, and program basic auto replies as needed. Additionally, Windows Mail app also offers a feature called "focused inbox." This filter of sorts that puts the emails you read most often in their own separate inbox so you can easily retrieve your most important messages without sifting through everything else.

Since Windows Mail is already included in your Windows 10 or 11 operating system, you can just search for the program. Then, once you open it, just go to Settings → Manage Accounts → Add Account to add in all of the addresses you’d like to manage from Windows Mail.

Pricing: Windows Mail app is completely free to use, no strings attached.

👍🏼 Pros:

  • Free and included with Windows 10 and 11
  • Beautiful user interface
  • Easy to use
  • Support for email signatures

👎🏼 Cons:

  • No support for rules and filters
  • Limited functionality

5. Mailspring - An Ideal Solution for Anyone Who Searches Their Inbox Regularly

Mailspring is a modern, elegant email client for Windows, Mac, and Linux. The application looks and feels exactly the same across all supported operating systems, making it perfect for users who use a different operating system at home and a different operating system at work. All IMAP/SMTP email accounts are supported, and adding a new account is a simple matter of entering your username and the correct password.

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It would be beyond the scope of this article to name all features Mailspring has to offer, but we can't neglect to mention its advanced search feature with support for Gmail-style search queries. This feature alone makes Mailspring an easy choice for people who need to frequently find a specific message.

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Other noteworthy features include a beautiful signature editor that lets Mailspring users create stunning email signatures—no coding required. If you receive messages in different languages, Mailspring can automatically translate them for you into English, and it can also catch all spelling mistakes so that you don't embarrass yourself by sending a message with an easily avoidable spelling mistake.

To start using Mailspring, go to Preferences → Accounts to set everything up. Then you can go to Preferences → General to customize your inbox view and select a theme.

Pricing: Mailspring offers a free version that is full of features, but their Pro version adds contact profiles, link tracking, actionable inbox insights, and more, all for just $8/month.

👍🏼 Pros:

  • Elegant user interface
  • Snoozing support
  • Integration with Gmail
  • Unified inbox

👎🏼 Cons:

  • You must have a Mailspring ID
  • Doesn't let you display messages as plain text

6. Claws Mail - A Free Program With Lots of Options for Plugins and Customization

Let's not beat around the bush: Claws Mail is far from attractive. In fact, we would dare to call it one of the least visually appealing email programs for Windows 10 and Windows 11. But if you can get past the dated user interface, there's a lot that Claws Mail can offer.

For starters, it can double as an RSS aggregator, so you can use it to automatically check websites for updates. If you don't care about RSS feeds because you use your Windows email program for email only, you should know that Claws Mail does everything the best free email client for Windows 10 should do and more. It has extensive search and filtering capabilities, supports GPG and SSL, features templates for messages, and provides a great plain-text editing experience.

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Even though Claws Mail has been around for nearly 20 years, it's still just as actively developed as when it was first released. Claws Mail developers are always quick to fix any known bugs, and they listen to users when it comes to requests for new features. For these and other reasons, Claws Mail is one of the best email tools for Windows 10.

To start using Claws Mail, you’ll need to download it from the website. Be advised, you may also need to download additional plugins before you’re fully operational, depending on what features you’d like to have.

Pricing: Like the other open source email programs for Windows 10 on this list, Claws Mail is completely free to use.

👍🏼 Pros:

  • Open source and free
  • Support for plugins
  • Handles multiple email accounts

👎🏼 Cons:

  • Adding email accounts is somewhat complicated
  • Outdated user interface

7. Postbox - A Powerful App for Busy Professionals

If you're looking for a modern email program for Windows 10, you've just found it. Postbox was created to simplify inbox management and make email more enjoyable to use. Its secret weapon? A beautiful user interface that doesn't overwhelm the user with a ton of features yet makes it easy to access all important functions.

Postbox works with Gmail, iCloud, Yahoo, AOL, Office 365, Outlook, Fastmail, ProtonMail, and other IMAP or POP email accounts. Regardless of if you use it to manage a single email account or twelve, you can always view all unread messages at the same time or find specific old messages with a single search query.

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Reading new email messages is just one part of the overall experience, and the people behind Postbox know this. To help you write messages more efficiently, Postbox features support for pre-canned responses, and it also comes with over 300 pre-formatted clips that let you add pro-styling to your messages without any HTML or CSS. You can try Postbox for free, and its pricing starts at $19 per user.

To set up a new account in Postbox, go to the File, then select New → Mail Account and enter the needed info to set it up. Once you plug all of your addresses in, you’re ready to start taking advantage of all of Postbox’s features.

Pricing: Postbox Express is a free version of Postbox. However, for the full version of Postbox, users must pay a one-time fee of $49.

👍🏼 Pros:

  • Modern user interface
  • Powerful search functionality
  • Pre-canned responses
  • Multiple free themes to choose from
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👎🏼 Cons:

  • No native support for Microsoft Exchange

8. The Bat! - The Best in Terms of Security and Encryption Features

The Bat! is one of the oldest Windows 10 email programs that are still in development. It was first released in 1997, and there are currently two versions of the email software: a Home version and a Professional version.

Both versions of The Bat! are designed from the ground up to protect your messages against unauthorized third parties using multiple encryption streams, including robust end-to-end encryption (E2EE). In addition to encryption, The Bat! also ignores all scripts and executable code included in messages and checks attached file extensions to catch all malware.

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The Bat! certainly isn't a sleek-looking email program for Windows 10 and 11, but its clunky user interface isn't nearly as unintuitive as it may appear to be at first. It's just that The Bat! is geared toward more advanced users who are already familiar with most of the features it supports. As a new user, you may feel somewhat lost at first, but we recommend you give it a few days before you give up on it.

Unfortunately, since The Bat! Is a lot more technical than the other programs on this list, you’ll probably want to read over their configuration guide before you get started. However, once you get the hang of it, The Bat! Is fairly easy to set up and use – assuming you don’t let your free trial expire.

Pricing: The Bat! is only free for a limited time (30 days). After that time, you'll have to pay $49.99 for the Home version or $59.99 for the Professional version.

👍🏼 Pros:

  • Open source and free
  • Strong security
  • End-to-end encryption
  • Powerful filters

👎🏼 Cons:

  • Clunky user interface
  • Geared toward more experienced users

9. BlueMail - Ad-Free Inbox Options on Any Device, Anytime

BlueMail by Blix is a cross-platform email program that works just as well on Windows as it does on Linux, Mac, and iOS. In fact, BlueMail is known as one of the best email app for iPhone as well as for Windows.

You can use it to manage an unlimited number of inboxes in a people-centric fashion. To help you combat inbox clutter, BlueMail automatically clusters similar emails together so that you can spend less time on inbox management and more time on what actually matters.

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If you have sensitive eyes, and you'd like to give them the opportunity to rest a bit, you can activate BlueMail's night mode with a single click. BlueMail can even switch between day and night mode automatically to always deliver a comfortable viewing experience.

What really makes BlueMail one of the best free email programs for Windows 10 is the fact that the free version doesn't contain any ads and includes all main features except those that target business users.

If you’re ready to get started with BlueMail, go to Various Account Settings → Add Account. Keep in mind that there are some automatically built-in set ups for Gmail and other common addresses. Otherwise, you’ll have to manually add in your address and the relevant settings before you can see your messages displayed.

Pricing: The majority of BlueMail's features are included in the free version. However, you can pay $4.49/month for the business version or $6.99/month for the enterprise version. These versions net you bonus features like app integration, corporate configurations, and branding options.

👍🏼 Pros:

  • Works across all major platforms
  • People-centric approach to email management
  • Integrated calendar

👎🏼 Cons:

  • Occasional sync issues

10. Spike - Modernize Your Email to Collaborate on a Whole New Level

Spike is a relative newcomer to the email software game, but it has done an excellent job of adapting to today’s email standards and becoming a great email client for Windows 10. The application has a sleek appearance and easy-to-use interface and has a web-based option in case you need to access your inbox from another computer on which you can’t install software.

Spike makes emails feel more like text messages, with real-time reply bubbles for casual conversations. However, this doesn’t mean that it can’t be used for professional email management as well, since it allows unlimited email accounts and up to 10 group chat rooms for collaborative efforts.

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Spike also includes a savvy notes section and a to-do list that allows you to prioritize certain tasks and messages. The intuitive nature of the program makes it a great Windows email client for both personal and professional email users.

After downloading Spike, just sign in with one of the addresses you’d like to use in Spike. Then you’re ready to get started with the program.

Pricing: Even the free version of Spike includes support for unlimited addresses in a unified inbox. However, Spike offers a paid version for just $12/year that includes additional storage, unlimited message history, and additional features.

👍🏼 Pros:

  • Intuitive GUI
  • Sophisticated filtering
  • Modern appearance
  • Unlimited inboxes

👎🏼 Cons:

  • Professional version is not free
  • Text message appearance can get cluttered for longer messages

Clean Email Can Improve Any Email Program

Are you familiar with the concept of Inbox Zero? This rigorous approach to email management is aimed at keeping the inbox empty—or almost empty—at all times. If you consider yourself to be a tidy and organized person, achieving Inbox Zero is most likely right up your alley.

Although Clean Email isn’t an email client, it is a bulk email organizer that can help you reach your goal of achieving inbox zero. In fact, Clean Email is a useful tool that can help you cut down on your inbox clutter with its powerful filters and rules that automatically move emails into relevant groups that you can then manage in bulk.

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For example, you can tell Clean Email to delete all marketing emails that clutter your inbox, label emails from coworkers accordingly, or move all emails from a particular sender to a separate folder. You can also mark all emails as read and instruct Clean Email to apply certain actions automatically to new emails as they arrive.

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Before you even know it, there won’t be a single unread email in your inbox, and you’ll be able to enjoy the peace of mind that comes with knowing that your emails are organized as well as they can be. Clean Email is compatible with Gmail, Outlook, AOL, and all other major email providers.

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👍🏼 Pros:

  • Free to try
  • Easy to use
  • Supports all major email services
  • Powerful filters and rules
  • Automation features

👎🏼 Cons:

  • None so far

Best Free Email Programs for Windows 10 and 11 - FAQs

Which are examples of email client programs?

Email clients for Windows 10 and 11 are email software programs that can be installed on a Windows operating system. Some examples include Microsoft Outlook, Windows Mail, Mailbird, and Spike. These email programs allow you to access your inboxes and messages without logging into a particular website.

Does Windows 10 have an email program?

Windows 10 comes equipped with the Mail application, which allows you to link any of your mail accounts, whether personal or professional. It might not be the best email client for Windows 10, but it certainly gets the job done for those who don’t need too many bells and whistles.

What is email software used for?

Email software is used to help users access, organize, and filter their messages without going to a website. It can also provide additional security and offer a more intuitive user interface than many standard web-based email programs.

What is the best email program to use with Windows 10?

The best Windows 10 mail app will be different for each person, but Mailbird has a variety of features that allow users to access their messages while maintaining a clean inbox and managing several accounts.

What is the best free email software?

Mozilla Thunderbird is one of the best free mail apps for Windows 10. It is completely free and offers lots of handy add-ons. This makes it among the best free email clients for any device.

Is there a free alternative to Microsoft Outlook?

If you exclusively use Microsoft products but don't want to shell out the premium for Outlook, you should test out Windows Mail, the default email program for Windows 10 and Windows 11. It is one of the best free email programs for Windows 10 on the list.

Is there a free email in Windows 10?

All Windows computers include a program called Windows Mail pre-installed. However, Windows 10 Mail app is only a simple mail server that allows you to view emails from your Gmail or other email clients through its desktop application.

Is Mailbird really free?

While Mailbird does offer a free use version, however, it is not a completely free email program. Some of the more advanced features are limited or completely excluded from the free version.

Is the Windows 10 Mail program any good?

Windows Mail is a very basic program. While it easily connects to Gmail, Yahoo!, and other mailboxes, it might not be the best email app for Windows 10 as it offers very little in terms of bells and whistles compared to some of the other free email programs out there.

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Is there a better email program than Outlook?

Although Outlook is a very popular paid email client program, there are other great options out there. Notable alternatives include Mailbird, eM Client, and Shift.


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