Excel 2013 automatically displays lengthy text entries over adjacent cells, assuming no other data exists in these cells. However, this behavior could extend the text outside the visible area of the worksheet and any adjacent data added to the spreadsheet could truncate the paragraph. Employing one or more options can force the paragraph to fit in the row without worrying that subsequent data will conceal part of your text. Of these options, allowing text wrap and merging adjacent cells potentially offer the most benefit. Tips Writer Bio

How to Fit a Paragraph Into a Row in Excel - 86