Miscellaneous topics that do not fit into specific categories.
You can speak to Microsoft but you would then need to purchase a very expensive support package https://www.microsoft.com/en-us/microsoft-unified/unified-enterprise. Even having the ability to email support is an additional paid for option.
The entry point for support is https://support.microsoft.com/en-us/contactus but if you have a Microsoft 365 Business or Enterprise license, you can raise a support request through the Microsoft 365 Admin Center.