If you suspect that someone is viewing your Outlook formerly Hotmail email account without your consent, we recommend that you change your password. This will prevent the theft of your personal information and the use of your account for sending spam or other shady purposes.
To change your password, log in to your Hotmail or Outlook.com email account, click your profile picture, and select View account.
Next, click Change password, enter your current password, and click Sign in.
Then, you'll need to verify your identity. To do this, click Send code and enter the code that you receive via your mobile phone or email address.
After verifying your account, enter your current password, the new password, and click Confirm. Finally, click Next , and an email will be sent confirming the change of your password.
Image: © Rawpixel - 123RF.com