These changes could include formatting modifications such as:

  • Font or spacing changes
  • Grammatical changes
  • The addition or omission of words, sentences, clauses or paragraphs

Any changes are visually marked in the HTML5 document viewer so users can tell at a glance what has been changed.

Currently, Microsoft Word .DOC and .DOCX are the only formats supported by the document comparison API.

Purchase of the Microsoft Office Conversion (MSO) add-on option is required to enable this feature in a Self-Hosted environment. Included in Cloud-Hosted.


Compare two different versions of a Word document. Similar to Microsoft’s track changes feature, PrizmDoc allows you to track and see changes in the HTML5 viewer.