How to access my Hotmail on my iPhone without entering a password?

I have Hotmail email setup on my iphone through the default mail app. Where can I find the save password for hotmail on my phone? I've already checked under the new passwords app. Hotmail shows up as live.com but says no password has ever been saved. So how am I able access my hotmail email on my iphone without entering a password? It has to be saved somewhere. My iphone is updated to the latest OS: 18.1.1

[Re-Titled by Moderator]