Aligning text in columns and rows in Word 2016 is a matter of choosing how you want the text to line up vertically and how you want it to line up horizontally. Follow these steps to align text in a table:
Select the cells, columns, or rows, with text that you want to align (or select your entire table).
Go to the (Table Tools) Layout tab.
Click an Align button (you may have to click the Alignment button first, depending on the size of your screen).
The following figure shows where the Align buttons are on the (Table Tools) Layout tab and how these options align text in a table.