To split a table:
Step 1: Go to your Dine-In screen.
Step 2: Click the table legend that you want to split.
Step 3: Click Split Table.
Step 4: Select the number of covers from the dropdown and punch in the new order. The new table number will be the existing table number suffixed with the alphabet, for e.g. 12, 12a, 12b, and so on.