SUMMARY *** NOTE: If you are reporting a crash, please try to attach a backtrace with debug symbols. See https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports *** STEPS TO REPRODUCE 1. open configure kalendar 2. choose 'add new calendar source 3. try adding an office 365 account 4. no matter what option is chosen, it always fails OBSERVED RESULT EXPECTED RESULT SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: garuda linux / plasmashell 5.24.1 (available in About System) KDE Plasma Version: KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION
This is issue is to vague. This could be an issue with Akonadi config dialogs but also an issue that your office 365 instance block external clients, this might in some cases be fixable by changing the user agent. Unfortunately I don't have enough knowledge in this to help you further.