Notes about the MUP file extension:
Incorrect file associations could be the result of underlying issues within your PC system. As such it is highly recommended to scan your PC for invalid registry entries, unused processes and other unfavourable system settings to identify slowdown issues.
The MUP file type is primarily associated with 'Music Publisher' by Braeburn Software. Music Publisher is a professional quality music notation software system for all 32-bit Windows platforms. Focussed entirely on the printed page it is above all a What-You-See-Is-What-You-Get visual system. The file format is proprietory binary (22 byte records) and is available on request to the author.
Detailed information for file extension MUP:
File classification: AudioIdentifying characters
Hex: 2F 2F , ASCII: //
'Identifying characters' used on FILExt.com are
provided by Marco Pontello from his TrID database
Important: Invalid file associations could be the result of underlying issues within your Windows PC. It is highly recommended that you scan your PC for invalid registry entries, unused processes and other slowdown issues.