Instead of chasing a dangerous "Visio 2013 Portable," here is how to build a legitimate portable diagramming toolkit on a USB drive.

Allows for basic viewing and limited editing of Visio files (.vsdx) via a web browser. Third-Party Web Apps: Tools like Lucidchart

The official Microsoft Visio Portable is exclusively provided to volume licensing customers—organizations that purchase software licenses in bulk for their employees. This version is designed to run directly from a USB drive without requiring installation on the host computer. It retains the full functionality of the Visio desktop application, supports modern file formats (.vsdx, .vssx, etc.), and uses your Microsoft account for activation and licensing storage.

Given the legal and security issues, the best approach is to explore legitimate and often free alternatives that can be used portably or online.

: Directly link the portable app to OneDrive or Dropbox .

"Microsoft Visio 2013 portable" would, in principle, be a version of the diagramming software with all the editing and creation capabilities of the standard version, but packaged to run directly from a USB flash drive without needing installation.

If you are looking for the specific capabilities of this version, it introduced several improvements over 2010: Updated Templates

Organizations that standardized on Visio 2013 but now run newer operating systems may find that installing the legacy version is problematic. A portable version that doesn't require deep system integration could theoretically solve this, though the licensing and security concerns remain.

It can work, but performance is often sluggish, and compatibility issues are common. Certain features—like adding custom stencils, using COM add-ins, or embedding Visio diagrams into other Office documents—will likely fail.