Additional deployment information for Office for Mac Even though you can't customize app bundles, you can configure preferences for each app.
This change prevents Excel from starting. For example, even if you don't need the French language resource files for Excel, don't delete them. Don't add, change, or remove files in an app bundle.
This means that you can't customize the app bundle before or after you deploy Office. To help improve security, Office for Mac has implemented Apple app sandboxing guidelines.