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Best alternatives to Outlook for Windows

Published On March 10, 2025 - Last Modified On May 18, 2026

Best alternatives to Outlook for Windows Image

Are you looking for an alternative to the stock Outlook for Windows email client app that comes with most modern PCs? You don’t need to settle for an email app simply because it’s the default.There are tons of other options that might be a better fit for your needs.

Outlook for Windows, the successor to the obsolete Windows Mail, is the default email client app included in most newer Windows 11 PCs. If you’re ingrained in the Microsoft ecosystem and want a seamless experience across all their communications and productivity tools, Outlook for Windows might suit you just fine.

But some longtime Outlook users have complained that it lacks features that are available in the “classic” version of Outlook. So, maybe it’s time to try something new. Let’s take a look at some Outlook for Windows alternatives.

01. Mailbird

Mailbird Image

LATEST NEWS: On October 21, 2024, Mailbird for Mac was launched globally, ushering in a new mutli-platform era for the app and the company.

Read the full story here

Mailbird is a flexible and easy-to-use email client that promotes elegant simplicity and powerful functionality, including multi-account management from most email providers (such as Gmail and Outlook), unified inbox, customizable interface, third-party integrations, and a streamlined workflow directly from your inbox. With a clutter-free design and pleasant user experience, Mailbird has become the go-to email app for more than 4M users who trust it with their personal and professional email.

Read the detailed guide on Mailbird’s features

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02. eM Client

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eM Client sets itself apart as one of the most customizable email clients available. You can personalize not only the user interface (with a flexible layout and dozens of themes), but also the way the app handles email. Available for Windows, macOS, and most recently, Android and iOS, eM Client is suitable for professional and personal users who want complete control over every aspect of their email experience.

Learn more about eM Client's customization options

03. Superhuman

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Superhuman is a keyboard-focused email client that supports a variety of email providers, including Gmail and Outlook. With more than 100 keyboard shortcuts, Superhuman is designed for professional users and teams who need to collaborate regularly. Although an excellent option for professionals who manage large volumes of messages every day, Superhuman’s robust business and productivity tools may be a bit overkill for casual users.

Explore Superhuman's productivity tools

04. Thunderbird

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Thunderbird is a free, open-source, cross-platform email client that’s managed by a core staff and a community of volunteer developers. Although the app is already quite robust, there are optional add-ons that you can install to enhance its functionality. So, when it comes to cost-effective email client apps, you can’t go wrong with free—there are no separate paid versions.

Dive into Thunderbird’s free, open-source functionality

05. Spark

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Spark is an email client that transforms how you interact with your inbox, helping you eliminate email clutter, minimize distractions, and stay organized. With its Smart Inbox and Gatekeeper features, Spark aims to ease email management and prevent unwanted senders from taking over your inbox. Its Premium version offers advanced tools, such as AI-powered assistance and team collaboration.

Find out how Spark’s Smart Inbox and Gatekeeper features can help you

06. Zoho Mail Desktop Lite

Zoho Mail Desktop Lite Image

Zoho Mail Desktop Lite is a free email client offered by the business email hosting service Zoho Mail. Available on Windows, macOS, and Linux, Zoho Mail Desktop Lite lets you access your messages from various email accounts, including Zoho Mail, Gmail, Outlook.com, Yahoo, and more.

Learn about Zoho Mail Desktop

07. Mailspring

Mailspring Image

Mailspring (formerly known as Nylas Mail) is an open-source email client that supports multiple accounts. Available in Free and Pro versions, Mailspring offers both basic and advanced features suitable for student, personal, and professional users.

Discover Mailspring’s open-source email client

08. Twobird

Twobird Image

Twobird is a unique app that approaches email management as a to-do list. By combining your messages, calendar events, tasks, and notes into an agenda-like workspace, the cross-platform Twobird treats your email as one component of your overall productivity. This way, you only need one app to manage your daily tasks.

Explore Twobird’s unique approach to combining email

09. Kiwi for Gmail

Kiwi for Gmail Image

Kiwi for Gmail lets you take the Gmail and Google Workspace experience out of the browser and onto your desktop. Whether you’re using a PC or a Mac, Kiwi can transform Gmail into a standalone desktop application and save you from having to juggle multiple browser tabs.

Read how Kiwi for Gmail transforms Google Workspace

Closing thoughts…

If you’re a PC user who doesn’t need any specific functions that are offered by another email client, Outlook for Windows might be for you. It’s a key component of the Microsoft ecosystem, runs smoothly with Microsoft 365 apps, and comes preinstalled in most newer Windows 11 PCs.

Although Microsoft for Windows is a viable option, it’s not your only option. You might discover that another email client has features you didn’t even know existed or a UI that suits your style and workflow better. The only way to find out is to try them out for yourself.

Pick two email clients to compare

Which email client suits your needs best? Choose two apps from this article to see a side-by-side comparison.

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