/usr/lib/mime/packages/docx2txt is in docx2txt 1.4-0.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 | application/vnd.openxmlformats-officedocument.wordprocessingml.document; docx2txt '%s' - ; copiousoutput; description=Office Open XML Document; prority=1
|