How to Add Paragraph Breaks in Cells in Excel for OS X. Because Excel's primary purpose is to display, organize and calculate numerical data such as your business' profits or expenses, the "Enter ...

You can also insert a manual line break when you have text that won't fit in the width of a cell. The line break forces your text to display on multiple lines within the cell.

If you need to add a comma after the first word in each cell in Excel using the Replicate or Substitute function, read through this article.