Using classic Outlook for Windows in business environments
Reading some of the other posts and trying different options, it turns out my windows Hotmail account is not the same as a Outlook account which is needed in the first place. I made a new Outlook account and was then able to add my karoo account. Problem solved, thanks for all the help and input. I now have a Hotmail account, Gmail account, karoo account and a new Outlook account all working correctly.