Saving Outlook contacts to iPhone Contact List

Outlook and iPhone contacts are separate by default.  There is an option within your account settings for Outlook that allows you to sync all your Outlook contacts with your phone's address book. New contacts and edits made from Ezekia, would be updated. 

See this Microsoft support article for more information.

https://support.microsoft.com/en-us/office/how-do-i-save-my-outlook-contacts-to-my-ios-contacts-app-51b8450f-2f07-41ab-96ea-afc0de7e6529 

Note that changes made in your phone's address book are not saved back to Outlook.