Ajuda del LibreOffice 24.8
Hides selected rows or columns
Un salt a la capçalera de la fila o la columna indica si la fila o la columna està amagada.
To display hidden rows or columns
Select the range that includes the hidden objects. You can also use the box in the corner above row 1 and beside column A.
Choose Format - Rows/Columns - Show.