2. Click the form in the reopened document page, and then click the design option in the form tool above to enter the design page, as shown in the figure below.
3. Find the border button on the design page and click the drop-down option next to the word border, as shown in the figure below.
4. Find the left border option in the border drop-down option, and click the left border option to remove the left vertical bar, as shown in the figure below.
5. Find the right border option in the border drop-down option, click the left border option, and remove the right vertical bar, as shown in the figure below.
6. After the operation, you can see that the vertical lines on both sides of the table have been removed, as shown in the figure below.