Files with doc_aq file extension are related to the Windows Essentials Codec Pack.
DOC_AQ file extension - Windows Essentials Codec Pack data
What is doc_aq file? How to open doc_aq files?
File type specification:
The doc_aq file extension is associated with the Windows Essentials Codec Pack a tool for Microsoft Windows operating system that add audio/video codecs and filters to playback any video file.
The doc_aq file stores some kind of data used by Windows Essentials Codec Pack.
This doc_aq 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.