Cybercriminals love "portable premium software" because it bypasses corporate security. A 2023 analysis by Cybersecurity firm McAfee found that . In the case of Visio, attackers embed:

Microsoft relies on deep OS integration, registry entries, and licensing services. A portable version would require removing these protections, which is illegal under reverse-engineering prohibitions.

If you need to use Visio without a permanent local installation, you have two official options: Visio for the Web