To delete or add rows or columns, select the respective rows and columns in the workspace:
•Use the respective commands to insert or delete rows or columns in the Table menu.
•Click the buttons on the Toolbar.
•Use the commands to insert and delete rows and columns located in the context menu (contextual menus can contain different commands depending on the position of the cursor in the table and the selected cells).
•Press Alt+L ( Option+L) to insert the column on the left, Alt+R ( Option+R) to insert the column on the right, Alt+A ( Option+A) to insert the row above, and Alt+B ( Option+B) to insert the row below.