Managing personal Outlook.com account settings, security, and privacy
Hello,
I am going to share with you the comprehensive list of things to do, please feel free to skip those you already did.
Please complete these steps on a computer, not on a smartphone or tablet.
====================
First, go to https://www.outlook.com and sign in.
Click the gear icon in the top right corner to open Settings.
Under Mail, review the following areas:
Rules
If any rules are listed, delete all of them.
Conditional formatting
If anything is set up there, delete it.
Forwarding and IMAP
If you see any entries or settings you did not create, remove them. Turn off POP and IMAP.
Junk
Review Safe sender and blocked list. If you don't recognize any, remove them.
If you do find anything you didn't set up above and have to remove it, please continue with these steps:
Go to https://account.live.com.
Under Your info > Sign-in preferences, review all aliases on the account. If you see any alias you do not recognize, remove it.
Next, go to the Devices section of your Microsoft account and remove any devices you do not recognize.
====================
Please also do the following in Security section
Change your password
Enable two-step verification