What types of files can I compare? You can compare Word (.doc, .docx), Excel (.xls, .xlsx, .csv), and Text (.txt, .rtf) files. By Frank Martin|2025-08-25T07:20:00-04:00August 25, 2025| Share This Story, Choose Your Platform! FacebookXLinkedInEmail About the Author: Frank Martin Frank is a researcher and writer specializing in document management, compliance, workflow automation, and practical digital transformation.