How to block any e-mail address in Outlook.com?

Accepted answer

https://www.lifewire.com/block-sender-outlook-1170655

hiii simply check this link for step by step clarification:https://www.lifewire.com/block-sender-outlook-1170655

Login to your Outllook.com account.

Click >> The gear icon >> Select Options >> Select Blocked Senders under Junk e-mail

Click the + (plus ) icon and enter the domain or email ID you need to block and click Save.

You can block the mails by the above method.
:)