Flatpak Thunderbird – How to fix attachments not working (Steam Deck Desktop Mode)
by Logan Rogers-Follis on Sep.29, 2022, under Linux, Techie
If you want to get Thunderbird on Steam Deck (Desktop Mode) to allow attachments then you need to run the following from Konsole:
sudo flatpak override org.mozilla.Thunderbird --filesystem=home
NOTE: You still can not use the Attach buttons or CTRL+SHIFT+A options, but click-and-drag works fine.
