Thunderbird is one of the most popular desktop-based email clients in the world that works on both Windows and Mac. Although, you may have found that Thunderbird isn't quite right for you.
If you're looking for an alternative to the email client, here are nine of the best Thunderbird alternatives for Windows and Mac users.
1. Postbox
Like Thunderbird, the Postbox email client is also available for Windows and Mac users. Besides a customizable interface, this email application offers an array of useful features.
Its quick and advanced search feature finds out the email, file, or image you are looking for. Using its Quick Bar, accessing an email is just a matter of one click.
It lets you open multiple emails at once in multiple tabs. You can also mark folders as favorites for quick access. The data exchanges are encrypted, and you can use templates for sending emails.
Download: Postbox for Windows | macOS (Free)
2. Mailbird
Mailbird is a feature-packed email client that offers a combination of powerful features and a clean interface for smooth online communication. The lifetime license of this application will cost you $49.
You can use snooze, send later, simple search, move emails to folders, etc., features for simplistic email management. This Windows-based tool also lets you store personal and business emails separately.
One exceptional feature of this email client is its support for third-party integrations for effective communication. You can use apps like Facebook, WhatsApp, Asana, Evernote, Todoist, Google Calendar, etc., in Mailbird.
Download: Mailbird for Windows (Free)
3. eM Client
eM Client is a Thunderbird alternative that comes with a less cluttered interface. Both the users of Windows and Mac can use this popular email client.
Individuals can use this for free for non-commercial usage. However, you need to pay for a one-time $49.95 to use its full features.
Some of the top features of this email client include:
- Advanced email and folder search.
- Automatic email translation.
- Encrypted email.
- Tag and flag for message organization.
- Blocking remote images.
Besides email, this app also comes with an instant messaging feature where you can share attachments as well. It also allows you to customize the theme and layout according to your choice.
Download: eM Client for Windows (Free)
4. Spark
Spark is a well-known email app that you can use for free. Whether you use Mac, Windows, iOS, or Android, it will offer you quality service with attractive features.
Its Smart Inbox highlights the unread emails and also filters out newsletters to bring flagged messages at the top. It also has the quick reply option that saves your time.
It filters out junk emails from the view and lets you perform pinpoint queries using the advanced search. You can also attach multiple files from the cloud in an email.
Download: Spark for macOS | iOS (Free)
5. Airmail
Are you a Mac user who wants to access email from your mobile device as well? Try Airmail–a sophisticated email client available on both Mac and iOS. You can use it for free. However, to enjoy all of its features, you need to purchase its license starting at $2.99/month.
You can add any number of email accounts in this app, while Its unified Inbox will let you view all your emails in one place. During deep work, you can snooze your inbox for uninterrupted focus.
Its schedule later feature will let you schedule an email for any convenient time. You can utilize this email as a task manager by marking your email messages as To Do, Memo, and Done.
Download: Airmail for macOS | iOS (Free)
6. The Bat!
If your main focus is on privacy and security instead of simplicity, The Bat! should be your choice.
This Windows-based email application uses encryption protocols like PGP, GnuPG, and S/MIME to safeguard your data against theft or leak. Hence, if you’re a journalist or highly conscious about security, go for it.
A configurable MailTicker is the top feature of this email client. It looks like a ticker, runs on the desktop, and informs you of any upcoming email. Its other highlighted features are RSS feed subscriptions, email filter, securing attachments, etc.
This app offers its service for free for a trial period of 30 days, within which, you need to purchase its license that starts with $49.99.
Download: The Bat! for Windows (Free)
7. MailMate
MailMate is an influential email client for Mac users. This stylish tool lets you send plain text emails. However, you can add formatting by using its markdown editor. Some people might find this email to be the ideal choice because of that.
Clicking on any email address from the email header section, you can check all your correspondence with that email on your screen. Similarly, clicking on a subject will let you see all emails with the same subject line.
It also has robust features like Rules and Smart Folders that make the whole process of email management effortless. It'll cost you $49.99 to utilize its full features.
Download: MailMate for macOS (Free)
8. Outlook
Microsoft Outlook comes as the email service providing tool of Microsoft 365.
You can easily customize this feature-rich app with add-ins to get the best out of it. It keeps getting new features with each update, and that’s why it’s one of the best Thunderbird alternatives available today.
It has an interface that looks similar to other Microsoft Office products like Word and Excel. Its one-click Ribbon opens all the most commonly used features of this email app. Now, you can also translate emails into 70+ languages within Outlook.
The tool endorses better Inbox management with a Search bar that lets you find anything from your Outlook email account. You can also annotate an email image within its interface.
9. Roundcube
RoundCube is open-source webmail that uses an external web server and functions as a desktop application. This free browser-based email client uses IMAP technology but offers an intuitive interface.
In this application, you’ll get all the common features of a proficient email client including, plugin customization, address book, data privacy, spell checking, MIME support, message searching, etc.
Folder organization and email management become easy with the drag-and-drop editing feature of this email application. It’s available in more than 80 languages. It also offers a threaded conversion view and cross-device support.
This webmail uses added defense layers to protect you against brute-force login attempts. Moreover, you can use a canned response template to reply with a pre-written response in a click.
Seamless and Effective Email Service
Using a desktop-based email client like Thunderbird Mail is a great way to keep your mission-critical data in your local system. Now that you know about the top attributes of some Thunderbird alternatives, choosing one from the list becomes easy.