Created attachment 123652 [details] The opening window of KOrganizer SUMMARY When I have an URL in an e-mail, this one open Calendar and want to merge instead of opening Web page on my web navigator (Firefox) STEPS TO REPRODUCE 1. Having an e-mail with an URL. Example the e-mail "KDE Bugtracking System: confirm account creation" 2. The URL to create an account open KOrganizer and is wanting to import into the Agenda 3. OBSERVED RESULT EXPECTED RESULT Opening the Web page SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: Ubuntu 18.04 (available in About System) KDE Plasma Version: KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION