U1: Users’ passwords and other access credentials must never be shared.See also: Level 2, Level 3, Level 4, 2, 6, Users
Use a departmental file share Eliminate the need for account sharing by using your departmental file share for documents that need to be shared or accessed by others
Use delegates and permissions Eliminate the need for account sharing by using delegates and permissions for email accounts that might need to be shared. See Managing Outlook Mail and Calendar See Managing Google Mail Read more about Use delegates and permissions