Why am I unable to access my Outlook account on my mobile device?

1. Step 1: Check your internet connection to ensure it is working properly.
2. Step 2: Ensure that your Outlook username and password have been entered correctly.
3. Step 3: Ensure that your device is up to date.
4. Step 4: Check to ensure your Outlook account has not been blocked due to security reasons.
5. Step 5: Check if you have set up two-factor authentication.