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

Interestingly, an email that I added to the block list yesterday (via the standard web interface) seems to be still there. If anything that actually worries me more, as it sort of implies that my one single entry may have replaced the hundreds of emails I had in their prior.

At least Microsoft has kindly provided this space for us to shout fruitlessly into the void.

This issue has also Affected me. It has caused a large list compiled over several years to be gone in an instance. Not only that they have never offered a way to Export and import lists of Blocked Domains or emails into it either. Does not surprise me their AI programmers cant do jack and break everything. Seems to be the same with windows 11 as well. If they don't start to actually stabilize their systems then people might leave and look for better alternatives.

I, too, have had this issue for weeks now. However, in just the last couple of days, I have noticed that if I use the desktop app (MS365, Win 11), the block list is sticking. It's still not working on the web version (I use Chrome), but at least it's a baby step in the right direction.

How are you still managing to get to Classic view, Justen? I know there used to be a special URL for it ( https://outlook.live.com/owa/?path=/classic ), but that just opens the modern view for me these days.

Or are you talking about the Windows app version?

I had some users report this as well. I went to Outlook online and the "new" version and mine were gone also. If you open the classic version, your list should still be there, that is where I found mine. The users were also able to view the list from classic as well. To view, on home tab select the drop down by junk, and choose junk e-mail options. There will be a blocked sender tab. As for why they disappeared in the two other versions, I don't have an answer for that yet.