How To Open Winmail.dat Attachments - gHacks Tech News
MOZILLA THUNDERBIRD“ - FAILAS „WINMAIL.DAT“ - ŽAIDIMAI(2022)
LookOut (fix version) :: Add-ons for Thunderbird
Thunderbird 78.3.1 released, here are the changes
winmail.dat is no longer converted properly and the contents are no longer displayed as attachments · Issue #85 · TB-throwback/LookOut-fix-version · GitHub