Explain why a document created by word processing software is stored as a binary file.

Refer below.

Explanation:

Binary DOC records regularly contain more content organizing data (just as contents and fix data) than some other document designs like Rich Text Format and Hypertext Markup Language, however are normally less broadly good.

The DOC documents made with Microsoft Word renditions contrast. Microsoft Word forms before Word 97 ("8.0") utilized an alternate organization from the OLE/CFBF-based Microsoft Word 97 – 2003.

In Microsoft Word 2007 and later, the binary document design was supplanted as the default position by the Office Open XML group, however Microsoft Word can in any case produce DOC records.