
or this in Outlook:

In Outlook if you hit Refresh the page (or click Retry in OWA), you will eventually get a certificate warning page like this:

Click on “Continue to this website” in Outlook. Some versions of your browser may not allow you to proceed like IE 11 which gives this message:

If you do, use Outlook to access the plugin for now. Some versions of IE will show this message (just click show content):

LinkedIn is aware of the issue and will hopefully fix it soon.
Related Information
The LinkedIn App for OWA wants to load this page:
https://moe.linkedinlabs.com/htdocs/moe.html
however the certificate does not contain ‘moe.linkedinlabs.com’.
Here are screenshots of the certificate in question:


