Show all windows in the Taskbar

Supported on: At least Windows Server 2008 R2 or Windows 7

Registry

HKCU software\policies\microsoft\office\16.0\excel\options

Value name: showwindowsintaskbar

Enabled: showwindowsintaskbar = 1

Disabled: showwindowsintaskbar = 0

Description

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.