no calendar tab after installing lightning
no calendar tab after installing lightning. 115.10.1 (64-bit) - Win 10
no calendar tab after installing lightning. 115.10.1 (64-bit) - Win 10
Wšykne wótegrona (1)
Not sure what you installed and why. The Lightning add-on is no more. The calendar has been integrated into Thunderbird since quite a while. There is no need to install an add-on.