Hi Chris,
It still does not work.
I did this:
1. Install Contact Insights Add-in from Power Platform -> Dynamics Add-Ins
2. Position to Contact Insights
3. Press Assist Edit button (3 dots)
4. Click on Install
5. Installation TAB on right part of the screen opens
6. Select environment: ourCompany
7. Press install
8. Check if Add-ins is installed
a. Open Production Environment
b. Click on Dynamics 365 apps -> add-in installed
9. Wait at least 2 hours
10. Open BC PROD application
11. Open desired company
12. Go to "Assisted Setup"
13. Navigate to “Setup your business inbox in Outlook”
14. Follow on screen installation steps to connect my inbox