Whole the day I worked fine with Outlook/Offic365, but a couple of hours ago I received the next error:
Outlook 2010 Office365 Certificate Error
I searched a lot of time at the internet but I couldn’t find the right solution. A lot of websites pushed me to look at the ADFS certificates but that’s nog possible because when I logged in by browser and have no problem. When the certificate from ADFS was expired I also could not logon by browser. I solved my problem by deleting the Mail Profile and create a new one. But I like to know what’s the finally reason of the problem mentioned in the message (see picture).