Office 365 IP Address and URL web service
https://learn.microsoft.com/en-us/microsoft-365/enterprise/microsoft-365-ip-web-service?view=o365-worldwide
For the latest version of the Office 365 URLs and IP address ranges, use https://endpoints.office.com/version. For the data on the Office 365 URLs and IP address ranges page for firewalls and proxy servers, use https://endpoints.office.com/endpoints/worldwide.
For the latest version of the Office 365 URLs and IP address ranges, use https://endpoints.office.com/version.
For the data on the Office 365 URLs and IP address ranges page for firewalls and proxy servers, use https://endpoints.office.com/endpoints/worldwide.
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