/etc/xdg/kleopatra.categories is in kleopatra 4:17.12.3-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | org.kde.pim.kleopatra kleopatra (kleopatra)
org.kde.pim.kwatchgnupg kwatchgnupg (kwatchgnupg)
org.kde.pim.libkleopatraclientcore kleopatra (kleopatra)
|