1. First, open a Word document, and then insert a table into the document. The broken part in the figure below will be displayed without borders, as shown in the figure below.

2. Secondly, select a table, click the right mouse button, and then click Table Properties in the pop-up options, as shown in the figure below.

3. Then, in the Table Properties dialog box that opens, select the Line option, and select the check box in front of Allow line breaks across pages, as shown in the following figure.

4. Finally, click OK to restore the selected table to the automatic cross-page interruption setting, and the table border will also be displayed, as shown in the figure below.