In 1C: Enterprise, the user table is typically stored in the "Standard" configuration. The table name is "Users".
You can access the table by following these steps:
Open the "Configuration" menu in 1C: Enterprise and select "Designer" or "Configuration Designer" (Конфигуратор).
In the "Designer" or "Configuration Designer" window, navigate to the "Standard" configuration.
In the "Standard" configuration, navigate to the "Data Dictionary"and find the "Users" table.
You can now view the structure of the "Users" table and see its fields and properties.
It's important to note that this is the default table for users, the actual table name can be different if the system is customized. If the standard configuration is modified, it could be possible that the table name is different, in that case, you should check the system documentation or the developer to know the real table name.