Cybercriminals know that "portable Office" is a high-volume search term. They create executable files that, when run, install keyloggers, crypto-miners, or ransomware. Once you plug that USB into your work network, the entire system could be compromised.
The Ultimate Guide to Excel 2013 Portable: Risks, Features, and Modern Alternatives excel+2013+portable
You will need a valid product key to activate the software. Cybercriminals know that "portable Office" is a high-volume