Single and multiple rows or columns may be frozen in a spreadsheet.
To freeze a row or column, pan the sheet so that your frozen area will be on the left or top of the current view. Select a cell beneath the row you wish to freeze, or to the right of the column to be frozen. Once the freeze pane is in place, select the Freeze icon.
Once the chosen area is frozen, that area will remain on screen while you’re able to pan the rest of the unfrozen document.
It isn’t possible to select multiple cells in the frozen area; in order to do this, you’ll need to unfreeze the area.