Microsoft will sometimes ask you to verify your account. We do this to help protect you, and make sure that you are in fact the correct person attempting to access your info. However, if all of your security info is incorrect or out of date—for example, if you no longer use any of the phone numbers or alternate email addresses associated with your account—you need to delete the out-of-date info and update your account with new security info.
Even when you choose to delete your out-of-date security info, we don't fully remove it for 30 days. This waiting period helps to deter hackers from updating your security info and gaining access to your account without your knowledge. But the waiting period doesn't mean you're locked out of your Microsoft account.
If you haven't turned on two-step verification, you can continue to use your account normally:
You'll be able to access your email, Skype, OneDrive, and devices as usual.
Only actions that require security info (like checking your billing details) will be unavailable.
During this time, we might ask you to verify that you requested these changes.
If you've turned on two-step verification, you need up-to-date security info to sign in to your account. During the waiting period, you won't be able to sign in to sites or services (like Outlook.com) with your Microsoft account, but you can still sign in to devices (like your PC or Windows Phone) and use your existing app passwords.
You can avoid the wait by:
Using a trusted device. If you have a device that doesn't require codes when you sign in, use it now to update your security info.
Finding your security info. Any chance your old phone or email address isn't permanently lost? If you can find it, use it now to recover your account.
Go to the Help us protect your account page and sign in to your Microsoft account.
The security code prompt appears.
Choose I don't have these any more from the drop-down list, and then tap or click Next.
Follow the instructions on the screen to add and verify new security info.
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