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....Order Upgrade an Order Support Docs API Reference Live Demos Free...Ebooks, Microsoft Office: Word (DOC, DOCX), PowerPoint (PPT, PPTX)...