It doesn't work either in Outlook2013 in the way described, but i found a workaround that might be applicable also in Outlook2016:
Goto File-> Account Settings -> Account Settings -> Internet Calender -> New... -> enter the subscription url.
It will show a certificate warning and after confirmation, show the calender in "other calenders".
Everything below is tested on Ubuntu 17.10. I prefer to use Jira in a docker container because: 1. I can install Jira with a couple of commands. 2. I can start and stop Jira just by starting and s...
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