Creating a drop-down list in Excel lets you enter data into a specific cell of a worksheet from a preset list of entries. Once you create the drop-down list , editing the entries is as easy as changing the cell data. Spreadsheet and workbook file extension list File extensions used for various spreadsheets and workbook formats. A spreadsheet is a computer application or program, which simulates a paper, or accounting worksheet. Jul 03, 2013 · How to Import an Excel Spreadsheet into a SharePoint 2010 List In this blog, I’ll demonstrate how to create a list on SharePoint 2010 that duplicates the columns and data of an Excel Spreadsheet by importing the spreadsheet to SharePoint.