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The Best Email App For Windows

As a Windows user, are you or your professional team looking for the best email service provider to suit your needs? In this article, we’ve narrowed down the best email app for Windows by taking into account their strengths and weaknesses when it comes to privacy, layout design, pricing, and more. 

Image of an open laptop. On the screen is a generic email inbox.

Let’s get straight into it! 

The Best Email Apps For Windows

Microsoft Outlook

Screen shot of Microsoft Outlook homepage.

Microsoft Outlook is arguably the most tried and trusted email app on this list. Developed by Microsoft themselves, it’s no surprise that it’s highly optimized for use with Windows! Many would say this is the best email app for Windows.

Outlook syncs with the rest of your Microsoft apps to make working across them as simple as possible.

It also boasts a range of useful features such as queue generation, command execution, and built-in dictation. In March 2023, Microsoft introduced Copilot, an AI tool that helps users write their emails to keep sentences concise and error-free. It’s smart enough to analyze email content and generate a response based on what the user asks for.

Because of its synchronicity with other Microsoft apps and its handy features, this is an excellent choice for professionals that are using Windows. 

At $69.99 for a single user per year, Microsoft Outlook is on the expensive side. However, for six users, there is a group rate of $99.99 per year. 

This pricing is another reason why it is a good choice for professionals, as you can get a discounted price for your whole team.

In addition to this, Microsoft offers Outlook as part of its Office 365 package– meaning that if you have a larger organization that you want to equip with the Microsoft Office suite, Outlook is a great option that’s included!  

Pros

👍 From one of the worlds most trusted software developers

👍 Has an established reputation as a reliable email client

👍 Completely compatible with any Windows system you run, as it is created by Microsoft themselves

👍 Integrates well with the rest of the Microsoft Office suite, streamlining your workflow if you use the other apps in this suite.

Cons

👎 Expensive for individual users

eM Client

Image of eM Client for Windows inbox.

eM Client is known for its simple and highly effective user interface. It has been rated one of the easiest to navigate, thus making for greater efficiency all around!

Features include chat capability, a calendar, basic image editing, and PGP encryption to ensure that all of your communications are secure.

This encryption feature makes eM Client a good choice for professionals who need to make sure their messages aren’t read by the wrong people!

eM Client also provides instant translation and reasonable localisation for an email client not run by one of the Big 3 (Google, Microsoft, and Apple).

With 20 languages supported at the time of writing, this makes the software a good fit for anyone who might be working with multiple dialects in their emails.

For an individual user, eM Pro costs $49.95 per year. For a team, it costs $188.95 per year.

This is a bit more expensive than some of the other options we’ll see in this article, but it’s worth it for the range of features that are offered.

Pros

👍 Solid encryption

👍 Attractive and easy-to-navigate user interface

👍 Compatible with all major platforms

👍 Extensive customization

👍 Built-in translation and spell-checker tools

Cons

👎 Free users are limited to two accounts

👎 Not currently available on mobile for Android or iOS

Mailbird

Image of Mailbird for Windows inbox.

Mailbird is a great email client for people who use a variety of different other applications, as it integrates with numerous apps. This includes Dropbox, Facebook Messenger, WhatsApp, Google Calendar, and more.

This means you’ll be able to do much more from one place, streamlining your workflow immensely. Its calendar feature also logs events across applications so that you never miss a thing!

It has integrated OpenAI’s ChatGPT, which allows automatic drafting of emails, auto-completion, text optimization, and more. This includes functionalities like generating compelling subject lines or creating professional replies with a very specific tone of voice.

The Mailbird user interface is customizable, so users have the ultimate freedom to organize your inbox as you please. 

This makes it a great application for businesses, as each individual team member can alter settings to best suit their needs. 

It is also very affordable, at $27.30 per year for personal use, and $99.75 (singular payment) or $41.30 per year for businesses.Compared to the other offerings we’ve looked at so far in this article for business use, the $99.75 single payment is an incredibly attractive offer!

Pros

👍 Affordable

👍 Offers a range of built-in apps

👍 Integrated speed reader

👍 Selection of custom sounds for notifications and the option of uploading your own

Cons

👎 Lacks filtration and email identification features

👎 Some users have been unsatisfied with Mailbird’s support

👎 Lacks an advanced search

👎 App integrations can be buggy

Rambox

Image of Rambox for Windows inbox.

This cross-platform application makes it easy for you to manage all of your mail in one place.

With downloads available for Windows, macOS, and Linux, Rambox is a great choice if you regularly work across different computers.Although you can only have one active session at a time as a basic user, this isn’t a huge issue.  If you really want to have simultaneous sessions, simply upgrade to a Pro or Enterprise plan!

It also has a range of features such as spell check, do not disturb, and master password for effective security. 

If you are someone who has multiple email accounts across different platforms, this is the client for you. 

It’s highly affordable too at $4 per month, or $10 per user per month at Enterprise rates. This works out at a cheapest price of $48 a year, or $120 on the high end.

Pros

👍 Calendar feature boosts productivity

👍 Optional private or shared sessions

👍 Ability to lock your Rambox session while you’re away

👍 Customizable workspaces, including JavaScript and CSS changes

Cons

👎 Known to lag at times

👎 Requires usability enhancements 

Mailspring

Image of Mailspring for Windows inbox.

Mailspring is a great application for those wanting a highly malleable and customizable experience, and who are also on a budget.

With a range of interface templates, users can customize their experience to best suit their needs!

These templates emulate many of the more mainstream creations from other companies such as Apple, Microsoft, and Google.

They also include a Dark mode for those with sensitive eyes, or for if you mainly use your email at night.

It also includes features such as link tracking, delayed send, read receipts so that users can track the progress of their communications, and integrated OpenAI’s ChatGPT, which allows automatic drafting of emails, auto-completion, text optimization, and more.

Plus, it supports all the major email account types, as well as older Yahoo! Email addresses and any other providers that use IMAP or SMTP.

Mailspring offers a free version, as well as a paid monthly subscription for Pro at $8 each month. This makes it a great option for those without much money available to spend on a decent email client!

Pros

👍 Handy tracking feature

👍 Read receipts

👍 Mac, Windows and Linux support

👍 Offers advanced search

👍 Translation feature makes it easy for international business

Cons

👎 Must create a Mailspring ID to use app

👎 Users have reported syncing issues

Thunderbird

Image of Thunderbird for Windows inbox.

For businesses needing to cut costs but not efficiency, Thunderbird is the best email service provider as it is completely free. 

It is also rock solid when it comes to privacy and security. The Mozilla foundation’s commitment to privacy extends to this email client offering, and Thunderbird includes do-not-track notifiers and phishing protection.

It also ensures that no malicious data can be communicated through images by blocking external images by default.

You’ll never forget to add attachments either, as Thunderbird scans drafts for the mention of the word ‘attachment’ and reminds you if you haven’t uploaded any documents before sending.

Teams will love being able to personalize their inbox with the Themes feature, as well as a range of other features and add-ons that allow for a customized experience.

On top of this, Thunderbird offers a beta program so you can experience new features as they develop if you’re a personal user and want to be at the forefront of the development and testing process!

Although this can lead to some glitchy behavior at times, it also means that you get a jump on other mail clients which typically make their users wait longer for new features.

Pros

👍 Affordable

👍 Easy to customize

👍 Offers tabbed emails

👍 Has an attachment reminder

👍 Phishing protection

👍 Available for Windows, MacOS, and Linux

Cons

👎 No cloud back-up

👎 Outdated user face

The Bat!

Image of The Bat! for Windows inbox.

The Bat! is the best email service provider on this list for security, as it boasts a complex system to maximize user privacy. 

Your emails are protected during communication through the use of end-to-end encryption, with the option to have all your emails stored on your own disk.

Users will also enjoy zero restrictions on the number of email accounts they can have, as well as no limit on the number of messages they can store.

Filters and Preferences make for an easy-to-use interface that fosters working efficiency.

In particular, The Bat! offers several options to deal with email attachments, including automatic downloading (which can save you a lot of time, particularly if you frequently send documents by email).

Additionally, it’s not just a blind download– so you won’t need to worry about getting any viruses! You can filter automatic downloads based on sender name and other criteria.

For professional use, The Bat comes at a one-off payment of €59.95 or €47.95 for home use. 

Pros

👍 Advanced security features

👍 Unlimited message storage

👍 Easy access to all email accounts

👍 One-off payment

Cons

👎 Less affordable

👎 Only available for Windows 7 and above

👎 Offers a limited number of helpful features

Claws Mail

Image of Claws Mail for Windows inbox.

Claws Mail provides a range of plug-ins and features that make it a user-friendly option. Its layout is also designed to be familiar to new users.

However, its appearance is less sophisticated than other email service providers. This might initially be a turn-off– but what you lose in quality of appearance, you gain back in affordability!

This client provides its services free of charge, making it a great choice for small-scale businesses needing to cut costs.

While Claws Mail offers a broad range of features, it can be difficult to navigate. It also requires external plugins to match the experience of other platforms such as Microsoft Outlook.

Although you can use the client without plugins, it’s definitely worth taking the extra time to add them if you intend to use Claws Mail as your main email program.

Claws Mail very much captures the older aesthetic of software, thinking back to the early days of interfaces like Gmail’s.

If you’re looking to capture a retro aesthetic with your setup, the slightly outdated interface might be perfect!

Pros

👍 Excellent customization capacity

👍 Offers an address book

👍 Built-in spell check

👍 Message queueing and drafting

👍 Ability to save all email attachments at once

Cons 

👎 Set up with Gmail, Yahoo, etc, is not straightforward

👎 Outdated user interface

👎 Not very user-friendly

👎 Requires plugins for a full mail experience

Front

Image of Front email client for Windows inbox.

Front is more than just an email service provider – it’s a hub for your team to communicate and work efficiently!

With operational analytics and quick response features, team management doesn’t get much easier. 

On top of this, Front excels at allowing you to write effective emails to your customers and ensure that your relationship with your clients is as good as it gets.

Any business knows that making sure customers are happy is a sure-fire way to improve their odds of closing a deal or succeeding in an industry. Front allows your team to collaboratively write important emails to make sure you get them right!

It also enhances your ability to get team members up to speed on particular customer backgrounds, with a feature that allows anyone to take a look at the customer’s history.

This is a game-changer for businesses that have multiple people on the email loop at once, as it saves time getting people up to speed.

Front charges an entry-level rate of $19 per month. This is rather steep compared to other email service providers, but it might be worth it for the team efficiency it provides and its easy-to-navigate user interface. 

Pros

👍 Boosts team productivity

👍 Offers live chat

👍 Team mailboxes

👍 Collaborative documents/emails

👍 SLA and escalation messages

👍 Trackable team metrics

Cons

👎 Lacks filtration features

👎 Not easily accessible/downloadable from website

Inky

Image of Inky email client for Windows inbox.

For advanced safety from phishing and malware targeting, Inky is the best email service provider. Its feature, the INKY Phish Fence, makes for almost complete protection of your communications.

Rather than just taking a passive approach to email scams and phishing as many other email clients do, Inky actively intervenes when it deems actions aren’t safe.

This means it’s particularly great for organizations that need to be certain their emails are secure and going to the right people.

In addition to occasional email security training, it ensures to the largest extent possible that your users won’t be sending emails to places they shouldn’t (or getting scammed on your company network).

However, for general use, it is not as well rated as other clients due to the fact it has fewer features overall. 

It’s not ideal for those looking to boost productivity, but may instead work best as an add-on for someone wanting more security.

The pricing of Inky is set per mailbox, per month. 

Pros

👍 Computer Vision – a security measure that scans emails that may be dangerous

👍 Social Graphing to block out impersonation attempts

👍 Threat-level customization for your users

Cons

👎 They have put less development into non-security related features

Kiwi for Gmail

Image of Kiwi for Gmail for Windows inbox.

Kiwi for Gmail syncs with many of your favorite apps such as Zoom and Grammarly to streamline your work and communications. 

With Kiwi for Gmail, you can access multiple email accounts from one space– including access to Google Workspace. 

This email provider also syncs with the cloud, allowing you and your team to work with the latest and most up-to-date information!

Kiwi’s biggest selling point is that it allows you to use Gmail and any other tools you integrate with it outside of the browser window.

It uses the Gmail interface almost directly in its email composition features, which means it’s a great fit for people making the switch from browser-based email clients to a dedicated program.

You can use basic Kiwi for Gmail for free. For Premium, the rate is $34.99 per year; for Business, $58.99.

Pros

👍 Simple usability

👍 Offers both personal and teams options

👍 Tracks recent documents

👍 Multi-windows, suitable for multiple monitor usage

Cons

👎 Opens excessive tabs with features such as calendar

👎 Only accessible for Gmail and Google users


Key Takeaways 

For every individual or team, there are specific needs that must be met.

For some, privacy and communications safety is key. For others, inbox layout and user interface come first.

Or, it might be the price that matters most. 

Whatever it is that you need from an email app, we hope that this list has covered it!