Five free MS Outlook alternatives you can try to manage your emails

Aaruni Arora
Aaruni Arora

Updated On - February 20, 2024

Summary: MS Outlook, along with being one of the most favored email clients also comes with a hefty price tag for smaller businesses, hence, often people look for its alternatives. Mozilla Thunderbird, Opera Mail, etc. are some of its known substitutes that people make use of. We will check out some of the prominent alternates of MS Outlook and a professional Recoveryfix for MBOX to PST converter.

MS Outlook is one of the most popular email clients because of its advanced features and user-friendly interface, but many people feel like it is too expensive. Fortunately, there are plenty of free alternatives to MS Outlook created by open-source groups.

Most commonly, these email clients save their files in MBOX file format (in contrast to Outlook, which stores its files in its exclusive data format known as PST format).

Recommended Solution
In a situation where the MBOX file needs to be converted into PST format, it is recommended to use the Recoveryfix MBOX to PST converter. It allows you to convert multiple MBOX files or folders without any size limitation.

Mozilla Thunderbird

Mozilla Thunderbird is an open-source email client that stores all the mailbox data in MBOX file format. It is a cross-platform email client that operates on Linux, Windows, and Mac. Thunderbird can be easily configured and customized as claimed by Mozilla. You can obtain further information from

Thunderbird - a free MBOX email application from Mozilla Opera Mail

Opera Mail

Although many people are familiar with the Opera browser, few know about Opera Mail. Opera Mail has various remarkable features like spam protection, a user-friendly interface, and threaded views. It allows you to open emails in multiple tabs simultaneously and has an automatic filtering option. You can learn more about it at
A lightweight email client from Opera

Sea Monkey

Sea Monkey is a free email client that provides many notable features like multiple account support, tabbed mail, blogs and news feeds, and junk mail controls. Learn more about it at
An all-in-one email application suite from Mozilla


Evolution is a complete system to manage user’s communications and personal information. It supports emails, calendar events, memos, tasks, etc. It offers facilities like folder search, multiple account support, and many other facilities. Previously supported Windows and Mac, it currently just supports Linux. Further information about Evolution is available at
Evolution - Personal information manager


Mulberry is an exceptionally versatile email client available for Mac, Windows, and Linux. The only downside of this email client is that it is a bit complicated to use. It manages numerous POP/IMAP accounts and calendars (both locally and on the server).
An open sources MBOX email client marketed by Cyrusoft


While the MBOX email clients mentioned in this blog are popular and free, there may come a time when a user needs to migrate to Microsoft Outlook. However, MBOX files cannot be imported into Outlook directly. As a result, it becomes necessary to convert the MBOX file to PST FORMAT. We recommend using the Recoveryfix for MBOX to PST software to complete this conversion. This tool is compatible with MBOX files from several email clients. This tool allows you to apply several filters to mailbox data to filter emails based on your needs. This software works will all versions of MS Outlook and the Windows operating system.

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