Solved
Cache being saved to documents, which gets synced by Onedrive
Battlefield seems to save settings and cache files to userfolder\Documents\Battlefield 2042, which is contrary to all Microsoft Guidelines. These should instead be stored in userfolder\AppData. This...
@RayD_01 spotted that the cache folder has been moved to the \BattfieldGameData.kin %appdata% folder out of MyDocuments folder. Guys let me know if you can use OneDrive again!
