<Language ID="en-us" /> <Language ID="fr-fr" /> <Language ID="de-de" /> <AddLanguage ID="match-os" Fallback="en-us" />
This command is the standard way to install or configure Microsoft Office LTSC 2021 Enterprise Microsoft Office Deployment Tool (ODT) . It tells the deployment executable ( setup.exe configure. configuration-office2021enterprise.xml
The command you are looking for is used to install or configure Microsoft 365 Apps or Office 2021/2019 using the Office Deployment Tool (ODT). Unlike older versions of Office, you cannot simply double-click setup.exe to install; you must reference a configuration file. Language ID="en-us" />