Show Alert if Excel is not the default for its associated file types

Category

User Configuration > Administrative Templates > Microsoft Excel 2016 > Excel Options > Advanced

Scope

User

Registry Key

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

Description

This policy setting controls the "Tell me if Microsoft Excel isn't the default progam for viewing and editing spreadsheets" option found under File tab | Options. If you enable or do not configure this policy setting, Excel will show an alert if it isn't the default progam for viewing and editing spreadsheets. This is the default behavior. If you disable this policy setting, Excel will turn off the alert.