When you have a large worksheet in Microsoft Excel, you may want to hide certain rows from view while still being able to see and work with the rest of the data. This can be helpful if you want to focus on a specific area of the worksheet or if you want to prevent accidental changes to hidden data. You can hide rows in Excel by selecting the rows you want to hide and then choosing the "Hide" option from the "Format" menu. Hidden rows are not printed when you print a worksheet, so you'll need to unhide them before printing if you want them to appear on your printouts.
To unhide hidden rows, select the rows adjacent to the hidden rows (you'll see a dotted line between the visible and hidden rows), choose "Unhide" from the Format menu, and then select the hidden rows. You can also unhide multiple rows at once by selecting multiple adjacent rows before choosing "Unhide."