Installation - Outlook Desktop (Classic)
For Classic Outlook, open PowerShell and run:
Then restart Outlook.
To Uninstall or Update
Run the uninstaller first, then reinstall:
Note for Administrators
For organization-wide deployment, use the Microsoft 365 admin center to deploy the add-in to all users.
Installation - New Outlook
For New Outlook, install via Outlook Web first, then enable sync:
- Install the add-in using the Outlook Web instructions above
- Open New Outlook → Settings (gear icon)
- Go to General → Sync across Microsoft 365
- Enable "Use my Microsoft 365 settings"
- The add-in will now appear in New Outlook
Alternative: Direct sideload in New Outlook
- Click Get more apps → My add-ins
- Under "Custom add-ins", click + Add a custom add-in → Add from URL
- Paste: