[Default Applications]
x-scheme-handler/mailto=org.mozilla.Thunderbird.desktop
message/rfc822=org.mozilla.Thunderbird.desktop
x-scheme-handler/mid=org.mozilla.Thunderbird.desktop
image/png=imv.desktop
image/jpeg=imv.desktop
image/gif=imv.desktop
image/bmp=imv.desktop
image/webp=imv.desktop
application/pdf=okularApplication_pdf.desktop
video/mp4=mpv.desktop
video/x-matroska=mpv.desktop
video/webm=mpv.desktop
video/avi=mpv.desktop
video/x-msvideo=mpv.desktop
video/mpeg=mpv.desktop
video/ogg=mpv.desktop

[Added Associations]
x-scheme-handler/mailto=userapp-Thunderbird-B1FR62.desktop;
x-scheme-handler/mid=userapp-Thunderbird-B1FR62.desktop;