As you may know, Microsoft Windows 7 provides a new and improved version of a tool that also appeared in Windows Vista and Windows XP and is designed for managing network-based logon credentials (i.e. user names and passwords) from sources that adhere to Microsoft credential management standards. The Windows 7 tool is called Credential Manager and is more advanced than the simplistic tool called Stored User Names and Passwords that came with Windows Vista and Windows XP.
With credentials stored in these tools, you will be able to automatically log on to a server/site without first being prompted to provide a user name and password. For example, Windows 7’s Credential Manager can store credentials and automatically log you in to Windows Live services such as Hotmail and SkyDrive, Microsoft Office services such as Outlook Web Access for Exchange Server as well as Windows servers and Remote Desktop connections. Read more.