HtmlFixedSaveOptions UseTargetMachineFonts property. Flag indicates whether fonts from target machine must be used to display the document. If this flag is set to true FontFormat and ExportEmbeddedFonts properties do not have effect also ResourceSavingCallback is not fired for fonts. Default is false in C#.... False ( Regex . Match ( outDocContents , "@font-face"...Success ); else Assert . True ( Regex . Match ( outDocContents , "@font-face...