Office 365 URLs and IP address updates for firewall and proxy configuration, using Flow and Azure Automation

tl;dr

To use Microsoft Office 365, an organisation must allow traffic to [and sometimes from] the respective cloud services via the internet on specific ports and protocols to various URLs and/or IP addresses, or if you meet the requirements via Azure ExpressRoute.… [Keep reading] “Office 365 URLs and IP address updates for firewall and proxy configuration, using Flow and Azure Automation”