5점중 1점 받음

Did not work. The tool could not find the Thunderbird files exported from my other computer even though they were exported using the same tool.

이 검토는 현재 부가 기능의 이전 (2.8.0.4) 버전에 대한 것입니다. 

Probably you didn't follow the right procedure in importing.
If you want more info, please write to my e-mail