Hi ccinorlando,
We appreciate you reaching out to us. Rest assured that we'll do our best to assist you or get you pointed in the right direction.
We understand that you are experiencing issues enabling your Outlook mail account.
We recommend updating your iPad Pro if you haven’t. While it isn't inherently assured that an update will resolve the issue, updating to the latest version of iOS for your device can help isolate potential software issues. Kindly secure a backup and update.
How to back up your iPhone, iPad, and iPod touch
Update your iPhone, iPad, or iPod touch
Also, did you use the same steps in the article below to add your Outlook mail account?
Add an email account to your iPhone, iPad, or iPod touch
Please keep us posted.
Take care!