A budget I am working on has each month on the same sheet and I would like to control which months are visible when comparing expenditure and income. In order to do so, I grouped the rows and columns according to category and month. The only cells which should be edited are the planned expense/income values. It makes sense to protect the sheet except for those cells. However, by protecting the sheet, I am unable to collapse or expand categories and months. Is there a workaround to retain the design and experience I would like to implement?