Windows Mobile is a compact operating system combined with a suite of basic applications for mobile devices based on the Microsoft Win32 API. Windows Mobile 6, formerly codenamed Crossbow, is the latest version of Windows Mobile platform and has been released on February 12, 2007 at the 3GSM World Congress 2007. It comes in three different versions: Windows Mobile 6 Standard for Smartphone, Windows Mobile 6 Professional for PDAs with phone functionality and Windows Mobile 6 Classic for plain PDAs without cellular radios. Windows Mobile 6, the next iteration of the Windows Mobile platform, brings new features and tools to Smartphone while still maintaining unrivaled flexibility, productivity and customization. Windows Mobile 6 also delivers a more powerful mobile communications experience to the user and genuine Outlook Mobile experience through rich HTML support. Windows Mobile 6 provides an increased level of productivity by helping users reach deeper into information available on their devices to places they can’t reach while at their desks. Windows Mobile 6 delivers increased device control and security, and greater operability with Exchange Server and other Microsoft assets so businesses can efficiently deploy, manage and help secure their mobile solutions.