DfRootPackage>(); Console.WriteLine(root.FileType.FileFormat); Console.WriteLine(root.FileType.Version); Console.WriteLine(root.FileType.MimeType); Console.WriteLine(root.FileType.Extension); } ReaDing built-in metaData properties To access built-in metaData of a PDF Document, please use the DocumentProperties property DefineD in the DocumentRootPackage class....version a loaded document and extract some additional file format...information. a PDF document Extract the root metadata package Use...