We have a daily requirement to import a spreadsheet on an already imported spreadsheet within sharepoint. This is to assist with daily and consistent updates, it would take too much time to add them one by one

Your help is appreciated

  • You want to append data to an existing spreadsheet?
    – James Love
    May 24, 2012 at 11:55
  • "already imported spreadsheet within sharepoint" do you mean an Excel file that's sitting in SharePoint? Or you imported an Excel file into a list and you want to update the list? May 24, 2012 at 12:31

1 Answer 1


Use ClosedXML for that. Here is a Blog Post how to get it to Work with Sharepoint



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