This article shows how To extract metadata with GroupDocs.Parser from documents of various formats: PDF, Emails, Ebooks, Microsoft Office: Word (DOC, DOCX), PowerPoint (PPT, PPTX), Excel (XLS, XLSX), LibreOffice formats and many others....formats: PDF, Emails, Ebooks, Microsoft Office: Word (DOC, DOCX)...DOCX, PPT, PPTX, XLS, XLSX, Emails and more with our free online...