The main difference is that CBC and Radio-Canada produce content in English and French respectively, and CBC/Radio-Canada is the umbrella organization.
CBC/Radio-Canada is the formal name of the public broadcaster. It also includes the many partners within the Corporation that ensure business continuity, such as Finance, Media Technology and Infrastructure Services, Legal, Strategy and Public Affairs, and People and Culture. Its main website is cbc.radio-canada.ca.
CBC oversees all English-language content and programming. Its main website is CBC.ca. For all questions about CBC programming or platforms, or to make a comment or complaint, please visit the CBC Help Centre.
Radio-Canada oversees all French-language content and programming. Its main website is Radio-Canada.ca. For all questions about Radio-Canada programming or platforms, or to make a complaint, please check for the relevant contact information on the Informations générales page.