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In older versions of Excel, Ctrl+7 toggles the Standard toolbar visibility. This shortcut is specific to classic Excel versions and may not work in modern ribbon-based Excel. The other options (Ctrl+F4 closes workbook, Ctrl+3/4 are not standard toolbar shortcuts).

Shift+F9 recalculates only the active worksheet in Excel, useful when manual calculation mode is enabled. F9 calculates the entire workbook while Ctrl+Alt+F9 forces full recalculation.

Ctrl+Page Up navigates to the previous worksheet tab in Excel, while Ctrl+Page Down moves to the next sheet. This is the standard navigation method for moving between sheets.

Ctrl+F6 activates the next open workbook window in Excel when multiple workbooks are open. Ctrl+Shift+F6 goes to the previous workbook window. These shortcuts help navigate between multiple Excel instances.

Ctrl+Backspace instantly scrolls the worksheet so the active cell becomes visible if you've scrolled away from it. This is helpful when working with large spreadsheets and losing track of the selected cell.

Ctrl+R fills the selected cell's contents to all cells to the right within the selection. This is useful for quickly copying formulas or values across a row without using copy-paste.

Ctrl+K opens the Insert Hyperlink dialog box in Excel, allowing you to add links to websites, files, or other locations. This is the standard shortcut across Microsoft Office applications.

Shift + Insert is a keyboard shortcut used to paste data in many applications, particularly in Windows and terminal environments. It's an alternative to the more commonly used Ctrl + V. This shortcut has been carried forward from older computing systems and still works in many modern applications. Ctrl + J has different functions depending on the application, while F5 and F6 are typically used for refresh and other browser/system functions.

Ctrl + F5 in Excel is used to restore the window size of the selected workbook window to its default size. This is different from F5 which opens the Go To dialog, or Ctrl + F4 which closes the current workbook window. Ctrl + S saves the file and Ctrl + T has different functions depending on the Excel version. The F5 key with Ctrl modifier specifically deals with window restoration.

Ctrl + D is the keyboard shortcut used to Fill Down in Excel, which copies the content and formatting from the cell above to the selected cell or range. This is a commonly used shortcut for quickly filling data vertically. The other options like Ctrl + 3 and Ctrl + 5 are not standard Excel shortcuts for filling, and Ctrl + F10 is used for maximizing or restoring the workbook window.

Ctrl + 7 is the keyboard shortcut used to show or hide the Standard toolbar in Excel. This shortcut toggles the visibility of the toolbar, allowing users to customize their workspace. However, it's worth noting that in modern Excel versions with the ribbon interface, this shortcut may have limited relevance as the ribbon has replaced traditional toolbars. The other options (Ctrl + F4, Ctrl + 3, Ctrl + 4) are not used for toolbar visibility.

Shift + F9 is the keyboard shortcut used to calculate the active worksheet in Excel. This shortcut performs calculation only on the current sheet, unlike F9 which calculates all open workbooks. This is useful when working with large workbooks and you want to recalculate only the active sheet. The other options like Ctrl + 3, Shift + F7, and Alt + F7 are not standard calculation shortcuts in Excel.

Ctrl + Page Up is the keyboard shortcut used to move to the previous sheet in an Excel workbook. This shortcut allows quick navigation between worksheets without using the mouse. The complementary shortcut Ctrl + Page Down moves to the next sheet. The other options like Shift + K, Alt + P, and Alt + Q are not standard shortcuts for sheet navigation in Excel.

Ctrl + F6 is the keyboard shortcut used to move to the next workbook window when multiple Excel workbooks are open. This shortcut cycles through open workbooks, allowing users to switch between them efficiently. The complementary shortcut Ctrl + Shift + F6 moves to the previous workbook. The other options like Shift + R, Ctrl + Shift + Q, and Alt + Y are not standard shortcuts for workbook navigation.