Windows application login against outlook office 365 credentials

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C#

Hi All,

Good Day.

I have an windows C# application, i just want use outlook office 365 credentials to logon my application.is it any ways to integrate outlook office 365 account to my application.
Specifically i m looking for use login with outlook 365 email accounts to use login my application.
for example : email address: myuser1@myuser.com, with a password, the same account need to use login for my application. suppose myuser1 changed account password in 365, the new password can use to login into application. Any webservice method to login or any ways ?

And email account is access on the web, like https://outlook.office365.com/owa/myuser.com/

What I have tried:

I read this below article
https://www.c-sharpcorner.com/article/authentication-with-office-365-in-C-Sharp/
and mentioned use a webservice. but that wont work for me. and mentioned webservice is not available also