Diagram

Finally — a simple, hassle-free way to open and explore diagram files on any device.

Whether someone's sent you a network map, a flowchart, or an org chart, ONLYOFFICE Diagram Viewer lets you open it instantly and explore every detail — no conversions, no extra software, no headaches.

📂 Open Visio Files Instantly
View .vsdx files directly, just as they were created. No need to convert or reformat anything — what you see is exactly what was made.

🔍 Explore Every Detail
Zoom in for a closer look, zoom out for the big picture, and pan around freely. Every label, connection, and element stays crisp and clear.

💻 Works Wherever You Do
Access your diagrams on the web, on your desktop, or on the go via mobile. No third-party apps required — just open and view.

👥 Built for Everyone
IT professional tracing a network topology? Student visualizing a project? Manager reviewing a process flow? The Diagram Viewer is intuitive enough for any use case and any skill level.

Stop emailing files back and forth asking "can you convert this?" — just open it and get on with your work.