Stepwise Procedure of the Software to understand the complete working. Refer to each screen :
step 1
Install & run the software.

step 2
Now, you can select MBOX files or entire folder of MBOX files

step 3
Now, files successfully added into the software. Click on "Next" button.

step 4
You can apply filter filter to import selected data, Then click "Import" button.

step 5
Now, MBOX files successfully added into Thunderbird
