How to Log Out of Fortnite on the Switch | Fortnite
How to Log Out of a Fortnite Account on PS4 | Digital Trends
SOLVED: When I try to link my PSN/XBL account to my Epic account, it says that my PSN/XBL account is already linked to an Epic account. | Dave Voyles | Software Engineer,
Fortnite blocks your Switch login if you've played on PS4 | VG247
Fortnite cross platform guide: Playing across platforms - Android Authority
How To Link Your Fortnite Epic Account On Switch And PS4 - Guide - Nintendo Life