Microsoft continue support to Windows XP and Office 2003 until 2014. However that will be only a extended support, not mainstream support.
Microsoft said they will continue to provide updates to the software during the next two years.
However, these two software will only get extended Support from Microsoft.
Mainstream support for Windows XP and Office 2003 will expire in April 2012.
Similar support is also experienced by Windows Vista and Office 2007, which is actually a relatively new program. Mainstream support for Windows Vista and Office 2007 will also expire on April 2012.
Microsoft divides its support lifecycle of the software had made in two stages, namely the “Mainstream” and “Extended“.
In the Mainstream, all users will receive all security updates, improved stability, bug fixes and new features for free.
While in the Extended, only security related updates are supplied free of charge. For other updates, only companies with a paid support contract are entitled to it.
In April 2012, Windows XP and Office 2003 will enter the stage of support for Extended.
After Extended support expired, Microsoft will not provide an update at all. Thus, this software will be vulnerable to attacks from the internet and malware.
Starting in April 2012, Windows Vista and Office 2007 into phase support Extended until April 2017.