Tiện ích
Chào mừng đến với tiện ích Thunderbird.
Add extra features and styles to make Thunderbird your own.
Đóng
![[Cảnh báo]](https://addons.thunderbird.net/static/img/developers/test-warning.png?b=b00ed3ed-652d8172)
Sự cho phép
Giới thiệu về Tiện ích này
Ability to see attachment sizes
a) in the attachment box on messages
b) in the attachment box on composes.
a) in the attachment box on messages
b) in the attachment box on composes.
