Windows 7 Outlook stopped working
Microsoft has quietly dropped support for an older TLS version, Windows 7 pre-dates the TLS series so it needs to be installed as a windows update and I have had to add a registry key to get these systems working. A lot of info here https://docs.microsoft.com/en-us/mem/configmgr/core/plan-design/security/enable-tls-1-2-client Outlook doesn’t require .NET framework so ignore that in …