• Go to the Home tab: Alt+H• Close a workbook: Ctrl+W• Open a workbook: Ctrl+O• Save a workbook: Ctrl+S• Save a workbook: Ctrl+S• Copy selection: Ctrl+C• Paste selection: Ctrl+V• Undo recent action: Ctrl+Z• Remove cell contents: Delete• Choose a fill color: Alt+H, H• Cut selection: Ctrl+X• Go to the Insert tab: Alt+N• Apply bold formatting: Ctrl+B• Center align cell contents: Alt+H, A, C• Go to the Page Layout tab: Alt+P• Go to the Data tab: Alt+A• Go to the View tab: Alt+W• Open the context menu: Shift+F10 or Windows Menu key: • Add borders: Alt+H, B• Delete column: Alt+H, D, C• Go to the Formula tab: Alt+M• Hide the selected rows: Ctrl+9• Hide the selected columns: Ctrl+0Source: Microsoft support.