Borderlands 3 Forum is an online community for players interested in Borderlands 3 and the wider Borderlands series. Its discussion boards bring together fans to share news, talk about gameplay, and exchange advice. Dedicated sections cover Borderlands 3 updates, co-op play, general discussions, character builds, weapons, farming guides, and gaming videos. The forum also hosts conversations about Borderlands 2, the Pre-Sequel, Tales from the Borderlands, other series titles, and related gaming topics, including PC, console, portable, and mobile games.

Members can browse recent posts and media, search discussions, and participate by creating an account or logging in. The site also features community announcements, introductions, forum suggestions, and off-topic areas, giving visitors ways to connect beyond game-specific questions. News and featured video discussions highlight content shared by members, while the co-op section helps players find teammates and discuss cooperative play. Borderlands 3 Forum is designed as a fan-driven space for sharing knowledge, opinions, and media with fellow players.