Based on Windows 10
1.
- Right Click on the Windows Button
- Click on Run
- Type in Control Panel
- Click on OK
- Click on the Search and type in mail
- Click on
- Click on Show Profiles
- Click on Add
- Give it a name like O365
- Click on OK
- Enter Your Details
- Click Next
- You might be asked for your password
- Once OK,
- You should see something like this
- Uncheck 'Set up Outlook Mobile on my Phone, too',
- Click Finish