Windows Mobile 6:
Windows Mobile 6, formerly codenamed "Crossbow", was released on February 12, 2007[20] at the 3GSM World Congress 2007. It comes in three different versions: "Windows Mobile 6 Standard" for Smartphones (phones without touchscreens), "Windows Mobile 6 Professional" for Pocket PCs with phone functionality, and "Windows Mobile 6 Classic" for Pocket PCs without cellular radios.
Windows Mobile 6.1
Windows Mobile 6.1 was announced April 1, 2008. It is a minor upgrade to the existing Windows Mobile 6
Windows Mobile 6.5
Initially confirmed by Steve Ballmer, version 6.5 is a minor upgrade to the existing Windows Mobile platform that was released to manufacturers on May 11 2009.
Sample screen:
Some of the features of Windows moobile 6 are as follows:
320x320 and 800x480 (WVGA) screen resolution support.
Office Mobile support for Smartphones.
Operating System Live Update.
Improved Remote Desktop access.
VoIP (Internet calling) support with AEC (Acoustic Echo Cancelling) and MSRT Audio Codec
Windows Live for Windows Mobile.
Customer Feedback option.
Enhanced Microsoft Bluetooth Stack
Storage Card Encryption (encryption keys are lost if device is cold-booted).
Smartfilter for searching within programs.
Improved Internet Sharing.
HTML email support in Outlook Mobile.
Search ability for contacts in an Exchange Server Address Book.
AJAX, JavaScript, and XMLDOM support on Internet Explorer Mobile.
Out of Office Replies with Microsoft Exchange 2007.
Unlicensed Mobile Access (UMA) support for select operators.
Server Search on Microsoft Exchange 2007.
.NET Compact Framework v2 SP2 Preinstalled in ROM.
Microsoft SQL Server 2005 Compact Edition Preinstalled in ROM.
OneNote Mobile as a companion to Microsoft Office OneNote.
