Unfortunately, the second email address in my Microsoft account will not remain valid. We are forced to join the NBN and I am going on HFC (Hybrid Fiber Cable). My old ISP was via ADSL. I have talked to them and once I am connected to the new setup, I will no longer get any email from them (even if I offer to pay, at least for a while). Our whole system, phones, payTV and Internet will all be delivered via HFC cable and the ADSL setup will be removed. I can remove the second email address, but all my subscriptions are linked to it in the Microsoft account and I am getting the message, that I will no longer be able to stay subscribed, if I delete the second email address. I have tried to subscribe again, but I cannot find a list of subscriptions and mandatory communications. I cannot understand, why Microsoft make it so difficult to change an email address.