Word in the table, set the outer border as 3 red single solid lines and the inner border as 1 blue single solid lines, which can be set in the table style.

The method comprises the following steps:

1. Open the WORD document to be operated, select the table to be set, select "Red, 3-pound single solid line" in the drawing tool "Draw Border", and then click the drop-down button next to the table style "Border".

2. Select "Outer Border".

3. In the same step as 1, select "blue, 1 dot, single solid line" in the Drawing Table, and then click the drop-down button next to the table style "border".

4. Select "Inner Border" to complete the setting.

5. Back to the WORD document, I found that the table has been successfully set to the style of "3-pound red single solid line on the outer border and 1 pound blue single solid line on the inner border".