What if my email with my company has changed. How do I update it?
What if the company has changed its email address. How do I update it on the IPad?
iPad Pro, iPadOS 13
Question marked as
I presume that you refer to your AppleID username - this being your primary email address?
Change your Apple ID - Apple Support
What to do after you change your Apple ID or password - Apple Support
If instead you refer to your Mail account, this is configured in iPad settings:
Settings > Mail > Accounts