​​​​​​​​​​​​​​How to Block/Unblock Senders and Label Safe Sender on Outlook 365

In Outlook 365 (Windows and Webmail365) senders can be blocked or unblocked, or labeled as "Safe". This can also be done in Outlook Classic.

To Block/Unblock Senders, and Label a sender as "Safe" on Outlook 365

To Block/Unblock Senders, and Label a sender as "Safe" on Outlook Classic

To Block/Unblock Senders on Outlook 365 (Mac)

NOTE: MacMail users must use the Office 365 Web interface to properly edit Safe/Blocked Senders.

To Block/Unblock Senders, and Label a sender as "Safe" on Outlook 365:

1. Open Outlook New app (Or visit https://webmail365.hws.edu )

2. Select the Settings cog (in the top right)  > Mail > Junk e-mail

   

• If you want to block an e-mail address, enter the e-mail address in Blocked senders and click Add 

• If you want to block all e-mail from a domain, enter the domain name in Blocked domains and click Add

  

3. Click Save

If you would like to Unblock a sender, repeat the same steps, and select the trash icon above the e-mail or domain name. 
 

If you want to add a Safe Sender, Click the tab Safe sender and domains, and add an e-mail or domain in the tab below.

To Block/Unblock Senders, and Label a sender as "Safe" on Outlook Classic:

1. Open Outlook Classic, then click Home
2. Select the Block icon shown below, then select Junk e-mail options
    
   Note: If you are using the simplified ribbon, select the three dots on the right side of the screen, then hover over Block, and select Junk e-mail options.
   
3. In the new tab opened, there will be an option for Blocked Senders and Safe senders. In Blocked Senders, you can add an e-mail or domain you would like to block or unblock.
   In the Safe Senders list, it will show a list of Trusted senders that you can add an e-mail or domain to, or remove a safe sender.

To Block/Unblock Senders on Outlook 365 (Mac):

NOTE: MacMail users must use the Office 365 Web interface to properly edit Safe/Blocked Senders.

1. Open Outlook New
    
2. Click "Outlook" in the top left of the screen then select Settings
    
   
    
3. Select the settings option Junk
   
   
    
4. Click Blocked Senders at the top, then select the [+] in the bottom left to add an e-mail or domain you would like to block
    

If you would like to Unblock a sender, repeat steps 1-3 and select the e-mail or domain you would like to remove. Then, click the minus button instead of the plus button.

If you want to add a Safe Sender, click the Safe Senders tab next to Blocked senders, and select the [+] Icon to add or remove an e-mail or domain.