Policy
Notify users if they do not have proofing tools for a language they use
This policy setting allows you to turn on or turn off notifications that are displayed to users when they use a language in their document but do not have proofing tools installed for that language. If you enable this policy setting, users see a message bar when they use a language in their document but do not have proofing tools installed for that language. Users cannot disable this notification because the "Never show again" button is not shown, and the checkbox to disable proofing notifications is removed from the Options dialog box. If you disable this policy setting, users do not see this message bar. If you do not configure this policy setting, users see this message bar. They can disable the notification by clicking the "Never show again" button or by clearing a check box in the Options dialog box.
8d100d1d23a5 L_DisableProofingToolsAdvertisement Registry
Copy registry mappings
HKCU\software\policies\microsoft\office\16.0\common\languageresources\disableproofingtoolsadvertisement (enabled) = 0
HKCU\software\policies\microsoft\office\16.0\common\languageresources\disableproofingtoolsadvertisement (disabled) = 1Policy notes
This policy setting allows you to turn on or turn off notifications that are displayed to users when they use a language in their document but do not have proofing tools installed for that language. If you enable this policy setting, users see a message bar when they use a language in their document but do not have proofing tools installed for that language. Users cannot disable this notification because the "Never show again" button is not shown, and the checkbox to disable proofing notifications is removed from the Options dialog box. If you disable this policy setting, users do not see this message bar. If you do not configure this policy setting, users see this message bar. They can disable the notification by clicking the "Never show again" button or by clearing a check box in the Options dialog box.