Step 2: Select Insert in the toolbar->; Table, and then you can see there are several ways to make a table under the table.

(1) Select a table from the drop-down menu. Select some rows and columns if you want to create some rows and columns. This is a relatively simple method.

(2) Select Insert Form in the drop-down menu and fill in the number of rows and columns of the insert form.

(3) Insert excel spreadsheets and quick tables, and select tables according to your own needs.