No, Fallout 76 is not fully cross-platform.
Players on PlayStation, Xbox, and PC cannot play together.
- Xbox and PC (Game Pass version only): Limited crossplay is supported.
- PlayStation: No crossplay with any platform.
- No cross-progression: Your progress stays on the platform you started with.
- Separate player bases: Each platform has its own community.
Fallout 76 has very limited crossplay (Xbox ↔ PC via Game Pass), no cross-platform support, and no shared progress across systems.