Need to check the health of your Office 365 Tenant and Services?
Here are some links that may help:

Office 365 (Tenant) Service health
https://portal.office.com/adminportal/home#/servicehealth

Microsoft 365 Service health status
https://status.office365.com

Office 365 outage map
https://downdetector.co.nz/status/office-365/map