A: Unquestionably, diagrams.net offline portable. It even supports .vsdx now.
A: Yes – Microsoft Visio Viewer 2010 is a free install (not portable) but lightweight. It only allows viewing, not editing.
Why? Because a portable application runs directly from a USB stick or cloud folder without installation. It leaves no traces in the Windows registry, making it ideal for IT technicians, consultants, or students who move between different computers.
Extract the folder to your USB drive (e.g., F:\PortableApps\draw.io ).
A: Unquestionably, diagrams.net offline portable. It even supports .vsdx now.
A: Yes – Microsoft Visio Viewer 2010 is a free install (not portable) but lightweight. It only allows viewing, not editing.
Why? Because a portable application runs directly from a USB stick or cloud folder without installation. It leaves no traces in the Windows registry, making it ideal for IT technicians, consultants, or students who move between different computers.
Extract the folder to your USB drive (e.g., F:\PortableApps\draw.io ).

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