Microsoft Office HTML Filter download

Office HTML Filter is a tool you can use to remove Office-specific markup tags

Alternative software

Free

Lets you perform accurate syntax checking tasks for HTML, XHTML, and CSS files.

Free

A powerful HTML editor with many advanced features.

Free

Very easy-to-use application for creation of HTML web pages.

Free

Convert Word (doc, docx, docm), Excel ( xls, xlsm, xlsx) or PowerPoint files to htm.

This add-on brings back the classic menus and toolbars to Microsoft Office.