# go to /usr/share/applications/mimeinfo.cache
# also xdg-mime
[Default Applications]
text/html=librewolf.desktop
x-scheme-handler/http=librewolf.desktop
x-scheme-handler/https=librewolf.desktop
x-scheme-handler/about=librewolf.desktop
x-scheme-handler/unknown=librewolf.desktop
application/pdf=org.pwmt.zathura.desktop
application/octet-stream=mpv.desktop
image/png=imv.desktop
image/svg+xml=imv.desktop
image/jpeg=imv.desktop
image/heic=imv.desktop
video/MP2T=mpv.desktop
x-scheme-handler/mailto=userapp-Thunderbird-MQ3C62.desktop
message/rfc822=userapp-Thunderbird-MQ3C62.desktop
x-scheme-handler/mid=userapp-Thunderbird-MQ3C62.desktop
x-scheme-handler/discord=vesktop.desktop
x-scheme-handler/discord-1223291656732934377=discord-1223291656732934377.desktop

[Added Associations]
x-scheme-handler/mailto=userapp-Thunderbird-MQ3C62.desktop;userapp-Thunderbird-13NWZ2.desktop;
x-scheme-handler/mid=userapp-Thunderbird-MQ3C62.desktop;userapp-Thunderbird-13NWZ2.desktop;