To uninstall Cirrus Insight from Outlook in Office 365, follow the steps below.
1. Open Outlook and Click "Get Add-Ins" in the ribbon of your Home tab.
2. Select "My add-ins" from the tabs on the side and find the Cirrus Insight card.
3. Click the three dots in the lower-left corner of the Cirrus Insight card and select "Remove".
To reinstall Cirrus Insight, review these resources:
Updated July 2022