An mtq file extension is related to the Mustaq and used for its data files.
MTQ file extension - Mustaq data
What is mtq file? How to open mtq files?
File type specification:
The mtq file extension is associated with the Mustaq a software for Microsoft Windows that allows users to write music notation in electronic form.
The mtq file stores various data used for internal purposes of Mustaq.
The Mustaq seems to be obsolete product.
This mtq 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.