Unable to validate outlook.com email

Halo Insider does not see my outlook email address.

My gamertag is Carver Parkes
My email address is “route44tx@outlook”

Halo Insiders does not recognize it. Please fix or suggest workaround options.

same thing has happened to me

THIS FIXED IT

  1. Open the Steam app
  2. Select Steam and select Settings
  3. Go to Web Browser
  4. Select Delete Web browser cache
  5. Select Ok to delete all files in the built-in web browser cache
  6. Select Delete all browser cookies
  7. Select Ok to clear all Steam browser cookie data
  8. Launch Halo Infinite and check to see if the sign-in process has started from the beginning.