Tiện ích
![[Cảnh báo]](https://addons.thunderbird.net/static/img/developers/test-warning.png?b=58a99cbb-667a0970)
Sự cho phép
Giới thiệu về Tiện ích này
For Firefox 29 and newer: You must install another add-on to restore the add-on bar, where this add-on will display it's information! Please install The Addon Bar (restored) before you install this one!
Shows the Firefox/Thunderbird version number in the addon bar (formerly called status bar).
It is your responsibility to make the addon bar visible. Use Menu View / Toolbars / Add-on bar.
Shows the Firefox/Thunderbird version number in the addon bar (formerly called status bar).
It is your responsibility to make the addon bar visible. Use Menu View / Toolbars / Add-on bar.
