If the sheet is not frequently used, it is possible to hide it does not interfere with the display of tabs of the other sheets. If necessary it can be displayed via the menu item. Sheet you can hide "more", so it can be displayed only from editor VBE.
sheet there are a number of options that affect its appearance: the grid, column headers, etc.
using the mouse wheel and keys CTRL you can quickly change the display scale of a sheet EXCEL.