Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
Please click the following https://support.office.com/en-us/home/contact?contactUsExperienceEntryPointAssetId=S.HP.Main
Type Live Agent on the box scroll down the page and click Contact support
Click your product or service then select Microsoft 365 and Office
Click Category and select Technical Support. Click Confirm. wait for a few minutes.
Select Chat with support agent in your web browser or Provide your phonenumber and support agent will call you.