I tried to open a document through c# interop interface, but below code take 2 to 4 seconds to complete.
Microsoft.Office.Interop.Word.Application wordApp = new Microsoft.Office.Interop.Word.Application();
excel just takes 600ms to run this code Microsoft.Office.Interop.Excel.Application wordApp = new Microsoft.Office.Interop.Excel.Application();
but msword need 2-4s still
the same program run at windows 7 + office 2010 is super fast, but run at windows 10 + office 2013 is not