Once that is complete you should be able to open Outlook and see the add-in. If you’re not an administrator of that computer you must have someone with the correct permissions install the Teams application.
This is due to the COM Add-ins (seen below) in Outlook write to a specific Windows registry. One of the requirements to successfully install the Teams add-in is that you have administrator permissions on that computer.Option 1: Install the Teams desktop application as an Administrator of the Windows computer. Here are some of the steps you should take to troubleshoot: As luck would have it, there are quick fixes if you run into this issue. Well you’re not alone, because apparently this has been an issue among many Teams users. One problem…there is no option to make it a Teams Meeting. So you’ve installed the Teams desktop app and you’re ready to start scheduling Teams meetings in Outlook.