Changing gamer tags associated with email addresses.

The old 360s did not require you to verify the email address (if it was not a MS server email) this is what causes problems like this.

If you can try this.

Sign into the old misspelled account at account.microsoft.com/addassocid this should bring up a box saying that you need to verify the email address.

Under that message there should be a link to change what email address is associated with that account.

Once you get that changed and it is verified you should then be able to change that gamer tag to something different freeing up that gamertag. Then you should be able to change the gamertag on your new account to the old gamertag.

It is possible but it is going to take a couple of steps to get this done.

First this is all contingent on you knowing the misspelled email and the password for that account.

If you know these things then follow these directions.

Just so that I am understanding everything correctly

You have an old account that you misspelled the email domain on it.

What account did you buy Halo MCC on?

The old one or the new one?

When you try and sign in with the Misspelled email and password What message do you get?

In the long run if you bought Halo MCC on the New account that is the account the game is going to be tied to.

If you are wanting to have the Gamertag for the old account on the new account it is possible you may have to pay around 20 USD to change the gamertag on the old account to free up that gamertag then change the gamertag on the new account to the old gamertag
once its freed up but we would need to get you into that old account first.

i bought mcc through steam for the PC. When i try to log in with my old xbox account on mcc it says "That Microsoft account doesn't exist. Enter a different account or get
a new one." Ive logged on to my xbox and my old account is logged in there still, i also looked it up online and it said it still exists.

first of all you can not have 2 different gamer tags on one email address so there must be a different email address associated with the original gamer tag your best bet would be to contact xbox support at support.xbox.com/contact-us and give them your gamer
tag and if they can verify your account they can give you the email address associated with your original gamer tag

It only shows the gamer tag . Not the email address associated with the account.