Files with und file suffix are associated with the Urban Network Data format.
UND file extension - Urban Network Data
What is und file? How to open und files?
File type specification:
The und file extension is related MOUSE editor program from HydroAsia company.
The und file stores Urban Network Data from this program.
The MOUSE seems to be obsolete product without support from developer.
This und file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.