What is your primary email used for?
Your primary email is used for two purposes: Amy and Andrew send their Weekly Meeting Summary to this email address every Monday, and it’s where they send confirmation emails. Don’t want these emails? You can edit your notification preferences here.
Changing your primary email:
To change your primary email address, login to my.x.ai and click on Account
Then just click the button "Make Primary" next to the address you'd like to use.
If you want to add a new email address as your primary that isn't on your account yet, just add the new address first. Then you can select that email as your primary.