First select a cell and select the Delete button in the right-click menu, as shown in the following illustration.
We can see four options in the Delete dialog box.
1, right cell left: indicates that when the selected cell is deleted, the entire row to the right of the cell moves one grid to the left;
2. Move the lower cell up: Indicates that the entire column below the cell is moved up one square after the selected cell is deleted;
3, whole line: To delete the entire row where the cell is located;
4, whole column: means to delete the entire column where the cell is located;