diff --git a/Nitrogen-CIT/app.R b/Nitrogen-CIT/app.R
index bb60f53..23fef3e 100644
--- a/Nitrogen-CIT/app.R
+++ b/Nitrogen-CIT/app.R
@@ -8,7 +8,8 @@ ui <- fluidPage(
   navbarPage("Nitrogen CIT",
              tabPanel("Listado",
                       sidebarPanel(
-                        fileInput(inputId = "file", label = "Fichero", multiple = F)
+                        fileInput(inputId = "file", label = "Fichero", multiple = F),
+                        downloadButton("downloadData", "Descargar Excel")
                       ),
                       
                       mainPanel(
@@ -99,6 +100,16 @@ server <- function(input, output) {
     datatable(dades$taula, filter = "top", rownames = F, escape = F, extensions='Buttons',options = list(autoWidth=TRUE, dom = 'Bfrtip',buttons=I('colvis'), lengthMenu=c(10,20,50), pageLength=30))
   })
 
+  output$downloadData <- downloadHandler(
+    
+    filename = function() {
+      paste("Nitrogen", ".xlsx", sep="")
+    },
+    content = function(file){
+      write.xlsx(dades$taula, file)
+    }
+  )
+  
   ## Caja ----
   
   output$caja_out<-renderUI({