Is It Possible to Eliminate Password-Based Sign-Ins?

While passwords continue to serve as a fallback mechanism, Microsoft’s present stage of passwordless implementation prevents us from completely phasing out password usage.

Transition into a passwordless deployment – Windows Security | Microsoft Learn

For Windows sign-ins, we have implemented policies designed to remove specific password credential providers. This approach aims to eliminate the password sign-in option altogether, leaving only the Passwordless sign-in method available:

The below policy will help us exclude specific credential providers.
{60b78e88-ead8-445c-9cfd-0b87f74ea6cd} is the GUID of the password login option.

Later we can put the GUID of password credential provider in the box so that the password windows sign-in option will be eliminated.