Windows 10: My phone number is someones else's phone number

I need help. I have just gotten a new phone number and I am trying to change my phone number on my microsoft account. However, the problem is that someone used to have this old phone number and now I cannot change my phone number since someone else has a microsoft account with that old number. I am able to get calls from microsoft to change but my phone number cannot be changed since it has already been keyed in someone else's account. Now I cannot get my authenticator account and I cannot get my work done. Please help

:)

 

Blocking Cell Phone Numbers

Here's one way to get around the problem. It's kludgy but it should work.

Get a VOIP based phone service or a magic jack. For 24/7 access, you're better off with VOIP that uses an ethernet adapter, but that's up to the user.

The important point is to find one that lets you create your own "black list" of callers. Usually they will have both black and white list options and these are usually a subcategory under the "do not disturb" or similar feature.

The provider will usually let you create a second number for $5-10 per month. You'll use this for your cell phone number. If it is ever compromised, you can change it easily without affecting the base number.

Forward the second number to your cell phone and give everyone that one as your "cell phone" number. There will be a delay of a few seconds as calls get routed, but who cares. It's not like any of us is on Obama's speed dial right?

Now when you get assholes calling you, just add them to the black list.

You can also block calls w/o caller id this way if your cell phone co. doesn't already do that for you.

 

Microsoft account and phone number linked

Microsoft account password recovery requires two verification codes being sent using two different verification methods. Each Microsoft account has at least two verification methods, the phone number and additional email address which are asked and required when you set up a new Microsoft account with a new hotmail.com or outlook.com email or using a third party email.

When the thief who got your phone tries to recover your password, all your verification methods / security info phone numbers and email addresses will be listed for him to select one. OK, the thief naturally selects your phone number, gets the code sent as a text message, and enters it.

But, clicking Next after entering the code he needs to select another security info contact (phone / email) from the list to receive second verification code.

Password recovery is not possible with just your phone, the system is clever enough to make it impossible by requiring two codes being sent to two different phones and / or emails.

You can add as many phone numbers and email address as you wish as security info contacts at https://account.live.com/proofs/mana...&refp=security. I wholeheartedly recommend that you add at least another security email address; if you only have one phone number and one email added, those which were required when you set up the Microsoft account, and that thief got your phone, the recovery would be as impossible to you as it is to him, you both having access to just one of required two verification methods.

 

My Microsoft profile phone number

When I logged into Microsoft it asked whether to send a code to my email address or to my phone. The phone number is not my current phone. I have seen multiple postings asking the same question. "How do I change the phone number associated with my account",
but I have yet to see an answer.

Can someone provide a straightforward list of steps to do this?

The category is wrong, but there was no category listed for Microsoft account

Thanks