This update contains changes to address errors in Windows Address Book, to backup mail data prior to compaction, and to enable template e-mail files.

This non-security update helps resolve various issues found in Outlook Express.

Outlook Express 5.0.6 Macintosh Edition makes it easy to manage your e-mail and contact information and participate in newsgroups. This version resolves all security vulnerabilities in previous versions of Outlook Express 5.

This update addresses the vulnerability discussed in Microsoft Security Bulletin MS04-013. To find out if other security updates are available for you, see the Overview section of this page.

This update resolves an issue when you use Collaboration Data Objects for Windows 2000 (CDOSYS) to send a Secure Sockets Layer (SSL)-encrypted e-mail message, the memory usage of Microsoft Outlook Express will increase after every message is sent.

This update resolves the "Unchecked Buffer in Outlook Express S/MIME Parsing Could Enable System Compromise (KB328676)" vulnerability in Outlook Express.

These white papers provide information about the communication that flows between components in Windows Server 2003 and sites on the Internet, and describes steps to take to limit, control, or prevent that communication in an organization with many users.

This update contains fixes and enhancements to Outlook Express 6.0 SP1 as well as eliminates all previously addressed security vulnerabilities affecting Outlook Express 6.0 SP1.

The Internet Explorer High Encryption Pack gives you 128-bit encryption, the highest level of protection possible for all your Internet communications, including credit card use and financial transactions.

This update addresses the vulnerability discussed in Microsoft Security Bulletin MS04-013. To find out if other security updates are available for you, see the Overview section of this page.