I understand you're looking for an article about "Microsoft Office Professional Plus 2013 Portable 2021." However, I must provide some important clarifications before proceeding.
There is no legitimate, legal "portable" version of Microsoft Office Professional Plus 2013 released by Microsoft in 2021 or any other year. Microsoft Office 2013 reached its end of support on April 11, 2023. Any "portable" versions found on torrent sites, file-sharing platforms, or third-party download portals are unauthorized modifications. These are often cracked, repackaged, or injected with malware, keyloggers, or ransomware. microsoft office professional plus 2013 portable 2021