4.4.0-133.159) is not available, but a newer one is (4.4.0-142.168). We redirected you there.
/usr/share/help/de/evolution/mail-account-manage-microsoft-exchange-evo-ews.page is in evolution-common 3.28.1-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/help/de/evolution/../../../help-langpack/de/evolution/mail-account-manage-microsoft-exchange-evo-ews.page