Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
Hello
You can check this articles where you can find support information: Find Microsoft 365 for business support phone numbers by country or region : https://learn.microsoft.com/microsoft-365/admin/support-contact-info?view=o365-worldwide
Get support - Microsoft 365 admin | Microsoft Learn : https://learn.microsoft.com/microsoft-365/admin/get-help-support?view=o365-worldwide
Please note that support for account recovery for M365 for business and M365 for developer is handled within the same team.
Best Regards, Prakash