

When Thunderbird asks you for a restart, oblige it. In the new pane that opens, navigate to the folder where you've previously saved your MBOX file and click Select Folder. Under the Message Storage header, select the Browse button on the bottom-right corner.Ĥ.

When the Account Settings screen opens, click Local Folders on the left.ģ. From inside the Thunderbird app, select Menu and choose Account Settings.Ģ. Read more: How to Secure Your Email as Cybersecurity Concerns Grow Open MBOX files in Mozilla Thunderbirdġ. Here's how to open MBOX files with Mozilla Thunderbird, Apple Mail, and Outlook. They can also be opened in through email client applications on both MacOS and Windows. MBOX files are a convenient and flexible file format that can be opened in any text editor - including Microsoft Notepad, Apple TextEdit or GitHub Atom.

The simple format is an excellent organizational tool for exporting and delivering a large group of emails - all while keeping those emails' attachments. MBOX files are a container for multiple, compressed email files. MBOX files can be opened on MacOS, iPhone, Windows and Android. Try the Free trial version first before purchasing the full version.If you're looking to transfer your old emails to a new email address, or if you've ever needed to send someone a mile-long email thread - MBOX files can be an easy, flexible solution.
