I understand you're looking for an article about "Microsoft Office 2003 Portable Download," but I need to be clear and responsible with my response.
Technically, you cannot download an official portable version of Office 2003. However, users often use these workarounds to achieve a similar effect: USB Installation Microsoft Office 2003 Portable Download WORK
If you choose to track down an unofficial "portable" download, be aware of these issues: Security Vulnerabilities I understand you're looking for an article about
If you decide to download from a site like the Internet Archive: Key tools include: Hacker News You can save
Despite its age, many users prefer it for its speed and lack of the "Ribbon" interface. Key tools include: Hacker News
You can save the VirtualBox folder to a USB drive. You can then run your entire virtual "office computer" on any PC that has VirtualBox installed. 3. Better (and Free) Portable Alternatives
Microsoft Office 2003 Portable: The Ultimate Lightweight Productivity Tool