I am trying to open .docx file and convert to PDF using Interop.Word.Application. It works as console application but If I use the same in my web application it doesn\'t wor
This worked for me.
https://social.msdn.microsoft.com/Forums/en-US/0f5448a7-72ed-4f16-8b87-922b71892e07/word-2007-documentsopen-returns-null-in-aspnet.