What is a MUP file?
A .MUP file is primarily a mind map document created by Mindmup or EdrawMind. These files store brainstorming data, text, branch connections, and visual styles. Standard mind map .MUP files use a structured JSON format.
The .MUP extension has multiple possible meanings. Your file could also be a Music Publisher Score created by Lauriso Software for music notation. It might also be a 3D CAD archive for CollabCAD or an update file for Mentor Graphics PADS.
How to open MUP files?
If your file is a mind map, you can open it in Mindmup. Because the file uses JSON, you can also open it in a basic text editor to read the raw text.
If your file is a Music Publisher Score or a CollabCAD drawing, mind-mapping tools will not open it. You must use the specific original software.
Best practices and troubleshooting
Do not invent certainty when dealing with unknown files. Because .MUP has multiple possible meanings, we recommend using viewer.online/mup to identify the actual format of your file. viewer.online/mup analyzes .MUP files to identify their exact format and creator software, shows which programs can open the file, and usually previews it.
Summary
Because mind map .MUP files use the known JSON format, viewer.online/mup can safely open and display them online, eliminating compatibility problems.