There are several commercial spreadsheet programs available, but Microsoft Excel is the most widely used spreadsheet software. Regardless of your version of Excel, you will likely need to add a blank line into an existing spreadsheet at some point. For instance, in an alphabetical list of contacts, you may have a new name you want to add in the middle of the list. Inserting a blank line, or row, in Excel is straightforward.
Double-click the "Excel" icon on your "Programs" list to open the program.
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Open the file you want to work on by selecting it from the list of recently used files or by using the "Open" command under the "File" menu.
Click a row number on the left side of your spreadsheet to highlight the row above which you want to add a blank line.
Click "Insert" at the top of the spreadsheet to open a pull-down menu of commands. Click "Rows" to insert a new line in your spreadsheet immediately above the row you originally selected.