Microsoft Excel 5 Things you must know. Microsoft Excel 5 Things you must know The list of things will be covered in this video, below showing chronologically, Use the SUM function to add up a column or row of cells in Excel Scale your spreadsheet to fit on one page when printing from Excel Freeze or Unfreeze rows and columns in an Excel worksheet How to use … [Read more...] about Microsoft Excel 5 Things You Must Know – Freeze or Unfreeze