Additionally, you can also automatically size a row to fit your data by double-clicking on the bottom border of the row number
The steps below were performed and written in Excel 2013, but will also apply to earlier versions of Excel as well. We will be focusing on changing the row height of just a single row, but you can also simultaneously change the row height of multiple rows by selecting all of the rows that you want to modify instead.
The steps below will show you how to enter a specific value for your row height. You can also change the row height by positioning your mouse cursor on the bottom border of the row number and dragging up or down, as in the image below.