A fully managed end-to-end service for digitally signing code, documents, and applications. (formerly Trusted Signing)
Hey there, ZISHAN DENG
Please can you reach out to Microsoft's business support using the phone number in your region. You can find out the list of numbers for support in this article here: https://support.microsoft.com/en-gb/topic/customer-service-phone-numbers-c0389ade-5640-e588-8b0e-28de8afeb3f2
When phoning support, you will be greeted by an Artificial Intelligence (AI) bot that will try and get information about why you are calling support. When speaking to the bot, please speak clearly to the bot so it can understand what you are saying. Please say 'Work account suspended due to missed payment'
This should direct you to the billing team who can help process the missed payment and unblock your account.
Hope this helps,
Nathan