The correct answer is option (4) Allow you to view additional sheet tabs. Tab scrolling buttons in Excel are located at the bottom-left corner of the sheet tabs. They appear when there are more sheet tabs than can be displayed within the available space. The purpose of these tab scrolling buttons is to allow you to navigate and view additional sheet tabs that are currently hidden. By clicking the tab scrolling buttons, you can scroll through the sheet tabs horizontally and view the tabs that are not visible due to limited space. This feature is useful when you have multiple sheets in your workbook and need to access or switch between different sheets. Therefore, the correct answer is option (4) Allow you to view additional sheet tabs.
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