C# .NET metadata API to read, write, edit, analyze, search, extract, remove, compare & export metadata of PDF Word Excel PPTX Outlook Audio Video & Images....: MP3, WAV Video : AVI, MOV, QT, FLV Metafiles : EMF, WMF vCard...DJVU TTF MOV JPG AVI DXF DWG QT JPE MSG MP3 TIFF DOC POTM VDX...