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.
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Double-click the "Excel" icon on your "Programs" list to open the program.
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.