What file types can I attach to a composition activity, announcement, or resource? Follow Users can upload the following file types as attachments: http://m3a.vhlcentral.com/allowed_file_types Related articles What's New on vhlcentral for Academic Year 2019-2020 Supersite 3.0 HELP TOPIC: Student Course Dashboard Español Santillana - Speaking & Listening Workbook Resources to Assist With Remote Teaching Teacher Tips: Upgrade your gradebook in Canvas (Video) Online Training Schedule Submit a request
