Policy
Show all windows in the Taskbar
When multiple workbooks are open simultaneously, this determines whether the user will see a single entry for Excel in the taskbar or a separate entry in the taskbar for each open workbook.
PackMicrosoft Office
CategoryMicrosoft Excel 2016 / Excel Options / General
Policy ID
16d2c726bcffInternal name
L_WindowsinTaskbarRegistry
Copy registry mappings
HKCU\software\policies\microsoft\office\16.0\excel\options\showwindowsintaskbar (enabled) = 1
HKCU\software\policies\microsoft\office\16.0\excel\options\showwindowsintaskbar (disabled) = 0Policy notes
When multiple workbooks are open simultaneously, this determines whether the user will see a single entry for Excel in the taskbar or a separate entry in the taskbar for each open workbook.