With the GroupDocs .NET document comparison API, quickly compare text and contents in PDF, MS Office, ODT, images, HTML, MSG, DWG, VSD & more files....XLS, XLSX, PPT, PPTX, HTML, ODS, CAD, RTF, TXT, JPG, TIFF, PNG...TXT), OpenDocument (ODT, OPP, ODS, ODP), Emails (PST, MSG, EML)...