Export As MHTML
First launch the A2Z Migrations for Thunderbird to Outlook software. After that you need to go to the Add File and clcik on Auto Load option >> Next.
Now here you will get the preview of the Thunderbird profile data >> go to the Export option.
After Clicking the Export button you will get the Export Window on the screen. And here you need to select the folder >> Choose the Export option MHTML. Once you done you need to browse the location where you want to save the converted file >> Export.
Note: Here you can also use the Date Range Filter option to migrater the Thunderbird data to MHTML from a particular date to date.
Once you click on Export a the Thunderbird to MHTML Conversion process will start on the screen.
When the process will finisied you will get the confirmation message.