MailRisk for Office 365 users are affected by an ongoing incident in Exchange Online. More information about the incident from Microsoft: https://portal.office.com/adminportal/home?#/servicehealth/:/alerts/MO941162

Most users seems to be fixed and MailRIsk is verified to work on desktop, web and mobile. Microsoft has not closed its incident, and some users my still experience problems.

Might be some problems within Microsoft