How to Split a Table Horizontally
1- Place the cursor at the beginning of the row, which you want to transfer it to other table.
2- Click on the Layout tab.
3- Click on the Split.
How to Combine Tables in Word
1- Place the cursor between the two tables.
2- Press Delete.
How to Split a Table Vertically.
1- Select the columns which you want to split them.
2- Click inside one of the selected cells then drag the content to the next paragraph and release.
3- Click and hold the table, move handle and drag the split table to its original position.