[Default Applications]
# grep ^MimeType /usr/share/applications/chromium.desktop | sed 's/MimeType=//g' | tr ';' '\n' | sort -u | while read -r line; do echo $line=chromium.desktop; done
application/xhtml+xml=chromium.desktop
text/html=chromium.desktop
text/mml=chromium.desktop
text/xml=chromium.desktop
x-scheme-handler/http=chromium.desktop
x-scheme-handler/https=chromium.desktop
x-scheme-handler/http=chromium.desktop;
x-scheme-handler/https=chromium.desktop;
x-scheme-handler/mailto=thunderbird.desktop;
# Prefer R7 or OnlyOffice and fallback to LibreOffice
# Different versions of LibreOffice may have either LibreOffice-xxx.desktop or libreoffice-xxx.desktop or xxx.desktop
# *.csv
text/csv=r7-office-desktopeditors.desktop;onlyoffice-desktopeditors.desktop;libreoffice-calc.desktop;LibreOffice-calc.desktop;calc.desktop;
# *.doc
application/msword=r7-office-desktopeditors.desktop;onlyoffice-desktopeditors.desktop;libreoffice-writer.desktop;LibreOffice-writer.desktop;writer.desktop;
# *.rtf
application/rtf=r7-office-desktopeditors.desktop;onlyoffice-desktopeditors.desktop;libreoffice-writer.desktop;LibreOffice-writer.desktop;writer.desktop;
# *.xls
application/vnd.ms-excel=r7-office-desktopeditors.desktop;onlyoffice-desktopeditors.desktop;libreoffice-calc.desktop;LibreOffice-calc.desktop;calc.desktop;
# *.xlsx
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet=r7-office-desktopeditors.desktop;onlyoffice-desktopeditors.desktop;calc.desktop
# *.xltx
application/vnd.openxmlformats-officedocument.spreadsheetml.template=r7-office-desktopeditors.desktop;onlyoffice-desktopeditors.desktop;libreoffice-calc.desktop;LibreOffice-calc.desktop;calc.desktop;
# *.docx
application/vnd.openxmlformats-officedocument.wordprocessingml.document=r7-office-desktopeditors.desktop;onlyoffice-desktopeditors.desktop;libreoffice-writer.desktop;LibreOffice-writer.desktop;writer.desktop;
# *.dotx
application/vnd.openxmlformats-officedocument.wordprocessingml.template=r7-office-desktopeditors.desktop;onlyoffice-desktopeditors.desktop;libreoffice-writer.desktop;LibreOffice-writer.desktop;writer.desktop;
# *.ppt
application/vnd.ms-powerpoint=r7-office-desktopeditors.desktop;onlyoffice-desktopeditors.desktop;libreoffice-impress.desktop;LibreOffice-impress.desktop;impress.desktop;
# *.pptx
application/vnd.openxmlformats-officedocument.presentationml.presentation=r7-office-desktopeditors.desktop;onlyoffice-desktopeditors.desktop;libreoffice-impress.desktop;LibreOffice-impress.desktop;impress.desktop;
# *.ppsx
application/vnd.openxmlformats-officedocument.presentationml.slideshow=r7-office-desktopeditors.desktop;onlyoffice-desktopeditors.desktop;libreoffice-impress.desktop;LibreOffice-impress.desktop;impress.desktop;
# *.potx
application/vnd.openxmlformats-officedocument.presentationml.template=r7-office-desktopeditors.desktop;onlyoffice-desktopeditors.desktop;libreoffice-impress.desktop;LibreOffice-impress.desktop;impress.desktop;