Blocked senders and domains list has disappeared, Outlook now not saving blocked list

Anonymous
2025-02-17T01:25:40+00:00

Over the years, I have consistently tried to block unwanted senders to reduce phishing scams coming into my inbox. In recent weeks, the list of hundreds of blocked sites seem to have disappeared without me doing anything to delete them. When I now block senders, they appear on the list but when I log into Outlook on the web on another occasion, the list is blank again of blocked senders and it looks like my attempt to block sites is not saving.

Outlook | Web | Outlook.com | Account management, security, and privacy

Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.

0 comments

68 answers

Sort by: Newest
Most helpful Newest Oldest
  1. Anonymous
    2025-02-17T14:12:20+00:00

    Dear Jim,

    Thanks, your suggestions did not work and the hundreds of blocked senders remain gone from the list. I will have to try contacting support. I don't know what is going on, this has never happened before.

    Was this answer helpful?

    10+ people found this answer helpful.
    0 comments
  2. Anonymous
    2025-02-17T13:43:19+00:00

    Dear Fung(2),

    Welcome to Microsoft Community.

    According to your description, your list of blocked senders and domains disappeared, and you tried to add blocked senders and waited a while to find that the blocked senders were not saved. Don't worry, you can try my suggestions below, I hope my suggestions can help you.

    1. You can try to change the browser, you can use a non-Google kernel browser, such as Edge or Firefox, sometimes browser settings or installed plug-ins may affect the normal operation of your mailbox. Try logging in to your mailbox in a different browser and then check if you can add and save mailboxes in blocked senders and domains.
    2. You can try clearing the browser cache and using the browser's private mode to log in to Outlook Web, and then check that you can properly save sender information in blocked senders and domains.

    Notes: Your browser automatically saves temporary internet files to help pages load faster. Clearing this cache will sometimes fix website issues. Please back up all your personal files first, such as Favorites, to ensure you do not lose data.  

    1. If none of the above suggestions help you properly save sender information in blocked senders and domains, you can ask Outlook.com Support for help. You can click Help - Help in Outlook.com, then type in your question, and then click Yes in Still need help below.

    Image

    And then sign in with your personal Microsoft account, not your work and school account, then click Chat with a support agent in your web browser.

    Image

    I hope this information has been helpful. If you have any questions, please let me know and I will be happy to help you further.

    Have a good day.

    Best Regards, 

    Jim - MSFT | Microsoft Community Support Specialist

    Was this answer helpful?

    0 comments
  3. Anonymous
    2025-02-17T02:44:23+00:00

    I am having the same exact problem. I use web based email on a Mac desktop computer.

    I open my browser and login to my email account. When I click on my mail settings and go to the "Junk email" section the page is BLANK! All of the people I have blocked over the many years is GONE!

    What is going on???

    Was this answer helpful?

    10 people found this answer helpful.
    0 comments