
To adjust the line width by dragging margins, you need to display the ruler in Word first.
To do this, click on the View ribbon on the toolbar.

In this View ribbon, check the box next to Ruler in the Show group.

Then you will see the ruler appear on the Word interface.
To navigate within a Word table, you'll notice gray dashed lines on the ruler above. These lines correspond to the table gridlines. Simply click and drag these gray lines up or down to adjust row height.
This gives you the freedom to adjust row height as needed.

2. Precisely adjusting row height using numerical values
If you prefer not to adjust row height manually by dragging the sizing handle in section one, you can precisely set the row height with an exact numerical value as follows:
First, highlight the rows that need width adjustment.
Next, click to open the Layout ribbon of Table Tools (appears only when a specific table is selected).
You'll find the Cell Size group in this ribbon, containing functions to adjust both row and column width of Word tables.
To adjust row width, modify the Height parameter. Its unit depends on your settings, typically displayed in inches as shown below.

Apart from adjusting row width in Word's Layout ribbon, you can also right-click directly on the table.
Then select Table Properties from the displayed options list.

In the displayed Table Properties window, switch to the Row tab to adjust row width in Word.
Here, you can increase or decrease the Specify height value to change row width.
Finally, click on OK to confirm the settings.

Thank you for following the article 'How to Adjust Row Width in Word' by Mytour. We hope that through this article, you can learn how to adjust row width most accurately. Wishing you success in your endeavors!
