Configuration.xml: Ms Office 2019 Standard

You must specify at least one language. The ID uses the culture-name format (e.g., en-us , fr-fr , de-de ).

Critical for migrations. If your organization is upgrading from Office 2010, 2013, or 2016 (MSI versions), this node silently removes those legacy products. Without this, you will get "Setup failed" errors due to conflicting installations.