Block or unblock senders in Outlook - Microsoft Support
If you're receiving unwanted email, you can block the email addresses and domains you don't want to receive messages from in new Outlook. Add any email address or domain to your blocked senders list to move these messages directly to your Junk Email folder.
Filter junk email and spam in Outlook - Microsoft Support
If you're receiving unwanted email, you can block the email addresses and domains you don't want to receive messages from. Add any email address or domain to your blocked senders list to move these messages directly to your Junk Email folder.
Block or allow (junk email settings) - Microsoft Support
Use the Block or Allow settings in Outlook Web App to help control unwanted and unsolicited email messages.
Block senders or mark email as junk in Outlook.com or Outlook on …
Blocking someone will stop their email coming to your Inbox, and reporting an email as Junk will help improve your Outlook.com experience. How to block someone. To block someone, select the messages or senders you want to block.
Block a mail sender - Microsoft Support
You may find unwanted email messages come from particular countries/regions. Outlook lets you block messages from those areas - the Blocked Top-Level Domains List lets you block messages from email addresses that end in a particular top-level domain or country/region code.
Change the level of protection in the Junk Email Filter
The Junk E-mail Filter in Outlook identifies messages that are likely junk and moves them to the Junk E-mail folder. You can easily change the level of junk email protection or automatically delete junk email.
10 tips on how to help reduce spam - Microsoft Support
Follow these guidelines to help lower your risk of receiving junk e-mail. Take advantage of the Junk E-mail Filter in Microsoft Office Outlook Office Outlook helps to mitigate the problem of spam by providing the Junk E-mail Filter, which automatically evaluates incoming messages and sends those identified as spam to the Junk E-mail folder.
Block or unblock a sender - Outlook for Mac - Microsoft Support
Stop receiving email from someone by adding his or her email address to your blocked senders list. You can also unblock an email address from your blocked senders list.
Phishing and suspicious behavior in Outlook - Microsoft Support
Here are some ways to deal with phishing and spoofing scams in Outlook.com. Spoof Intelligence from Microsoft 365 Advanced Threat Protection and Exchange Online Protection help prevent phishing messages from reaching your Outlook inbox. Outlook verifies that the sender is who they say they are and marks malicious messages as junk email.
How do I report phishing or junk email? - Microsoft Support
You can then select whether it is Junk, Phishing, or if you'd like to Block Sender.