MS Excel
Each excel file is called a workbook because

It can be modified
It can contain text and data
You have to work hard to create it
It can contain many sheets including worksheets and chart sheets

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MS Excel
How do you insert a row?

All of the listed here
Right-click the row heading where you want to insert the new row and select Insert from the shortcut menu
Select the row heading where you want to insert the new row and select Edit >Row from the menu
Select the row heading where you want to insert the new row and click the Insert Row button on the standard toolbar

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