If you suddenly can't connect any more to your Outlook.com mail from Apples Mail on a Mac (and only from there, other mail clients do work), you may have a look to my issue: the mail connection fails because Microsofts own servers are generating an "unusual activity" from Redmont.
If you are impacted as well, please leave a message there.
Regards
Laszlo
If you are impacted as well, please leave a message there.
Regards
Laszlo
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