Unify guest authentication methods
There are two types of guest authentication: passcode and password authentication.
By unifying to one that demands improvement.
"The guest accepts the invitation. Guests who have a work or school account in Azure Active Directory can accept the invitation and authenticate directly. Other users are sent a one-time pass code to validate their identity (One-time passcode authentication required). "
There are two ways that end users can get confused.
As an example, by forgetting the registered password, which hinders smooth access.
From a usability point of view, this behavior needs to be improved.