I inadvertently deleted my email messages and icon for this on my icon pages.
I cannot bring back my messages nor open my email .
iPad Pro (5th generation)
Question marked as
If you have deleted the Mail App from your iPad, you can reinstall the App from the Apple App Store:
https://apps.apple.com/app/mail/id1108187098
After re-installing the Mail App, you may need to re-add your email account(s):
Add an email account to your iPhone, iPad, or iPod touch - Apple Support