編集メニュー

Choose Insert - Headers and Footers.

Choose Insert - Headers and Footers - Header and Footer tabs.

Choose Sheet - Fill Cells.

Choose Sheet - Fill Cells - Down.

Choose Sheet - Fill Cells - Right.

Choose Sheet - Fill Cells - Up.

Choose Sheet - Fill Cells - Left.

Choose Sheet - Fill Cells - Sheets.

Choose Sheet - Fill Cells - Series.

Choose Sheet - Clear Cells.

Backspace

Choose Sheet - Delete Cells.

Choose Sheet - Delete Sheet.

Open context menu for a sheet tab.

Choose Sheet - Move or Copy Sheet.

Open context menu for a sheet tab.

Choose Edit - Cell Protection to activate sheet protection with current cell protection settings.