- In Outlook, on the File tab, select Options.
- In the Outlook Options dialog box, select Add-ins.
- Confirm that Microsoft Teams Meeting Add-in for Microsoft Office is listed in the Active Application Add-ins list
- If the Teams Meeting Add-in is listed in the Disabled Application Add-ins list, under Manage, select COM Add-ins, and then select Go….
- Select the Microsoft Teams Meeting Add-in for Microsoft Office checkbox.
- Choose OK on all dialog boxes, and then close Outlook.