I already did that but still getting this error :
Error54Assembly 'ClosedXML, Version=0.76.0.0, Culture=neutral, PublicKeyToken=fd1eb21b62ae805b' uses 'DocumentFormat.OpenXml, Version=2.5.5631.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' which has a higher version than referenced assembly 'DocumentFormat.OpenXml, Version=2.0.5022.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'F:\abhishek\GSSAIR\New Source\GSSAIR1\GSSAIR\GSSAIR\bin\ClosedXML.dllGSSAIR