If you enter data in PlanMaker, it is always inserted into the active cell. A thin dark frame known as the cell frame indicates the active cell:
You can move the cell frame to another cell as follows:
Mouse: Click on the desired cell.
Keyboard: You can use the arrow keys of the keyboard to move the cell frame.
Moving via the keyboard is also possible: Press the Tab key to move to the next cell on the right and Shift+Tab to the next cell on the left. Press the Enter key↵ to move down and Shift+Enter to move up.
For a list of all keys available for this purpose, see Shortcut keys.