You may also consider troubleshooting if Windows won’t install updates. It works in the cloud-based Microsoft 365, Office or Outlook on your computer.
This tool runs tests to identify problems and offers the best fixes. Find out also how to fix an intermittent internet connection in Windows 10 or connect your computer to a mobile hotspot when your router isn’t working. If the connection works but you can’t open Outlook, your browser or other apps, see our guide on what to do when you can connect to a wireless router but not the internet. After each step, try to open Outlook and check if it works again. Whatever the reason for Outlook not opening on your device, there are several simple and advanced troubleshooting steps you can use to fix Outlook issues.
There are several reasons why Outlook might not load or work correctly.