I have a problem with the window in which my workbook is displayed. I don't know how it got this way, but the workbook window is displayed within the Excel window, and it doesn't have the normal buttons to maximize, close, etc. See the attached screenshot. If I right-click on the blue header bar, I have the options to arrange or zoom, but neither of those options let me maximize the workbook window within the Excel window. I can't even move this workbook window around within the Excel window. All other operation within the workbook seems to be normal, though.
Can anyone help me fix this? Thanks.
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