About This Shortcut
Move to the previous workbook window. This shortcut “cycles” through open Excel workbooks in a “reverse” direction.
On Windows, you can also use Ctrl + F6 to move to the next workbook and Shift + Ctrl + F6 to move to the previous open workbook.
On a Mac, the shortcut for cycling in reverse between open windows in an application is Command + Shift + . The is the back-tick or grave accent key, which is usually found above the Tab key. Note this is a system-level shortcut, and not specific to Excel. If you have trouble, check options at System Preferences > Keyboard > Shortcuts > Keyboard to confirm that “Move focus to the next window” is enabled.
About This Shortcut
This shortcut minimizes the current workbook window.