How to delete a line in MS Word document:
method 1.
1.1. Place the cursor immediately above the horizontal line.
1.2. Go to the Home tab
1.3. Click the arrow next to the Borders and Shading button.
1.4. Click No Border.
Method 2.
If it is underline, then go to Home table, click underline icon
Method 3.
if it is a table top bolder, then you can delete the whole table.
Method 4.
Clear formatting.
