1. Go to Mail Outlook via the web

2. Click on More compose actions

Click on More compose actions

3. Click on Get Add-ins

Click on Get Add-ins

4. Click on My add-ins

Click on My add-ins

5. Click on Add a custom add-in

Click on Add a custom add-in

6. Click on Add from URL...


7. Paste https://i404outlookaddin.z13.web.core.windows.net/manifest.prod.xml

Paste "https://i404outlookaddin.z13.web.core.windows.net/manifest.prod.xml" into input

8. Click on OK


9. Click on Install


10. The Add-in should show up now.

Click on i404 Addin…