That’s it! You have successfully transferred your Apple Mail entire database into Thunderbird, something which takes countless hours and confusing manual inputs by any other method or tool.

Open Thunderbird, go to ‘File’ à Import and select the files from the above step.

Click ‘Convert’ and wait for the tool to convert all the emails from Apple Mail into Thunderbird format.

Choose output format as ‘Thunderbird/Postbox Emails’ from the drop-down menu.

You can also click on ‘ignore empty folders’ for preventing any empty folders to be converted into output Thunderbird files. You can remove folders to dismiss them from conversion.

Once you have selected the database, you can see all the folders inside your selected data.

This is highly recommended over the ‘open’ option.

Auto Load – Click on this to let the tool automatically load your Apple Mail database from the installed database location (usually inside your user’s library folder).

Open – Click on this to locate Apple Mail Mailbox Export or “Mail” folder copied manually from any location.

Click on ‘Load’, that will bring up two options – Auto Load and Open.

More on this below.Īnd now, here are 5 simple steps you can take to import Apple Mail into Thunderbird using “Mail Extractor Max”.

It also features auto-load option that can convert Apple Mail directly from identity folders, instead of using archived Apple Mail files. Developed by USL Software, the tool features not just the easy conversion wizard, but also highly accurate algorithms for preserving your data integrity.

It is an automatic tool that requires no inputs from you, except loading your Mail files to convert. “ Mail Extractor Max” is an excellent Mac application that converts Apple Mail files into Thunderbird files quickly. Ultimate Way to Import Apple Mail into Thunderbird Even though both files support MBOX format, the migration performed manually can get tiresome and inaccurate. Config setting added to disable OpenPGP 'encryption is possible' reminder: Apple Mail into Thunderbird can get quite nasty at times.Portable Thunderbird is the popular Mozilla Thunderbird email client packaged so you can carry around with you on any portable device, USB thumb drive, iPod, portable hard drive, memory card, other portable device (also on your internal hard disk) as long as it has 33 MB of free space and use on any Mac computer, taking your email, address book and account settings with you.

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