Exclusive | Microsoft Frontpage 2003 Portable 16
This was the final and most refined version of Microsoft’s flagship HTML editor before it was discontinued and replaced by Microsoft Expression Web and, later, SharePoint Designer. Unlike earlier versions (FrontPage 98 and 2000), FrontPage 2003 was surprisingly sophisticated. It featured:
Would you like a safe, legal alternative list instead? Microsoft Frontpage 2003 Portable 16
: Provided a simple way to create navigation graphics without needing professional image-editing software. This was the final and most refined version
The "Portable 16" you mention is almost certainly an created by third parties to run from a USB drive without installation, possibly with an altered version number to appear newer. Microsoft Frontpage 2003 Portable 16