How To Email & Messaging Export Mail from Thunderbird: Step by Step Screenshots Share Pin Email Print Email & Messaging Tips & Tricks Gmail Tips & Tricks Yahoo Tips & Tricks Outlook Tips & Tricks Basics Guides & Tutorials Installing & Upgrading Key Concepts VoIP by Heinz Tschabitscher A former freelance contributor who has reviewed hundreds of email programs and services since 1997. Updated October 23, 2016 01 of 05 Export Mail from Thunderbird: Step 1 Select "New | Folder" from the menu. Heinz Tschabitscher Download mbx2eml and extract it to your Desktop. Click on the Desktop with the right mouse button. Select New | Folder from the menu. 02 of 05 Export Mail from Thunderbird: Step 2 Type "mail". Heinz Tschabitscher Type "mail". Hit Enter. 03 of 05 Export Mail from Thunderbird: Step 3 Copy or move the highlighted files to the "mail" folder on your "Desktop". Heinz Tschabitscher Open your Mozilla Thunderbird store folder in Windows Explorer. Open the Local Folders folder. Highlight all files named like folders in your Mozilla Thunderbird that have no extension.Exclude "msgFilterRules" and "Inbox.msf" as well as all other .msf files, for example. Copy or move the highlighted files to the "mail" folder on your Desktop. 04 of 05 Export Mail from Thunderbird: Step 4 Type "..\mbx2eml * out". Heinz Tschabitscher Open a Command Prompt window (via Start | All Programs | Accessories | Command Prompt). Type "cd ". Drag and drop the "mail" folder from your Desktop onto the Command Prompt window. Press Enter in the Command Prompt window. Type "mkdir out". Press Enter. Now type "..\mbx2eml * out". Press Enter. 05 of 05 Export Mail from Thunderbird: Step 5 Drag and drop the .eml files onto the desired folders inside Outlook Express. Heinz Tschabitscher Open the "mail" folder from your Desktop. Open the "out" folder. From the sub-folders of "out", drag and drop the .eml files onto the desired folders inside Outlook Express. Continue Reading