If you are using or looking for a portable version of Office 2007 today, keep these factors from Microsoft Support in mind:
Office 2007 Portable was a "warez" creation—a hacked version of the software. Anonymous crackers and software pirates spent countless hours reverse-engineering the suite. They stripped out the "bloat" (help files, clip art, and proofing tools), rewrote the internal pathways to look for files on the USB drive rather than the C: drive, and bypassed the copy protection mechanisms. microsoft office 2007 portable edition