Age of Empires III: Definitive Edition mods can be reported in-game or through the Age of Empires website. Each report includes check boxes to select the reason and an area to include any additional information. These reports are reviewed by a moderator before any action is taken.
If the report needs more information than can be provided in game, then then use the Submit a request button to contact our team. Please include a link to the mod and additional details about the issue.