Rated 5 out of 5 stars

Χρησιμοποιείστε το el.xpi που θα βρειτε εδώ
https://ftp.mozilla.org/pub/thunderbird/releases/60.4.0/win32/xpi/
και θα ξαναγινει Ελληνικο το Thunderbird

Rated 1 out of 5 stars

“Greek spelling dictionary could not be installed because it is not compatible with Thunderbird 60.3.3”
A fix would be appreciated

Rated 1 out of 5 stars

It is not compatible with Thunderbird 60.0!
Please fix this issue!!