Microsoft Account Email

This can only work if your emails are NOT hotmail, outlook or live emails as those are Microsoft email addresses. That may be the cause of your problem. You can not change TO an email that is a Microsoft email. You can change a Microsoft email to any other
non Microsoft email, though.

Please see this page on how to change the emails if you don't have those emails as your current primary ones:

http://support.xbox.com/my-account/microsoft-account/change-email-sign-in-for-microsoft-account

Hi, I would refer you to the following
guide for adding and/or removing an email address from your account.

If you're having trouble signing in now in order to make this change, I'd refer to the following

guide for filling out a Microsoft account recovery form and with tips for doing so. If you're unable to recover the account or need additional support, you might

contact Xbox Support directly, though I couldn't guarantee that they can assist beyond the recommendations in the previously-mentioned guides. Hope this helps!

I changed my microsoft account email 1-2 days ago so the friend I with wouldn't have my email.
It worked he got everything but when I logged into my microsoft account on xbox it wouldn't allow me to connect to xbox live, no games would let me play online, I can't even access my profile page. Please help me fix this.

I suppose you speak about gameshare feature, that is intended for family members inside the same home, not for friend, this is against terms and conditions

I would recommend contacting Xbox support directly for this issue.

https://beta.support.xbox.com/contact-us

This is a big problem indeed. You can only phone the official support to get this fixed, but you may get a 30 day suspension on your account for security reasons.

If you still own a Xbox 360 you may better try to have your Xbox account transferred to a new Microsoft account instead, as I think this will work without the verification code, but I am not sure on that.

If you only own a One there is no other way then phone the support team. You will find a proper phone number at
support.xbox.com/contact-us