First of all, if the folders you want to merge are on another device, you must first copy them and then paste them using the USB stick on the device on which the Thunderbird is configured.

So when you get the job done, you won’t have any problems getting it done. You need to go through each step carefully and become familiar with it. We want you to follow the procedure we offer. Now let’s explain to you how to combine Thunderbird profiles with this tool. All of these jobs and the solution is one, Thunderbird merge software And yes, you can combine Thunderbird inboxes too. You can just merge 2 Thunderbird profiles email files. Regardless of whether you have your Thunderbird folder on the same computer or on a different one, you can still merge Thunderbird folders. It is a completely reliable and automated method that can do this difficult task in the easiest possible way. With this tool, you can easily combine Thunderbird profiles.

The one that can restore the version of your Thunderbird profile to the version that is compatible with others is the BitRecover Thunderbird Restore Wizard. The Perfect Approach to Merge Thunderbird Profiles

Thunderbird mail merge