Account linking not transferring inventory (PSN to Steam)

MuhfuhLex​ Since Cross Progression was already rolled out to players between October of 2023 and April of 2024, it is no longer possible to merge your Apex progress and data as newly linked accounts will use the Apex progress and data that is already stored on the EA Account.

Furthermore, since the PlayStation Account in question was already linked to its own separate EA Account than the Steam Account was, (which was most likely during the time of the Cross Progression rollout), the PlayStation Account's Apex progress and data was/is stored on the EA Account it was first connected to, (and both of your EA Accounts also cannot have their Apex progress and data merged).

In short: It is not possible to merge your Apex progress and data from two different EA Accounts, and it is no longer possible for platform accounts to merge Apex progress and data either.

• EA Help | Apex Legends™ Cross Progression
  
  

Lastly, unlinking platform account(s) from an EA Account and then linking those platform account(s) to another EA Account also doesn't transfer, (or merge), your Apex progress and data, (and unlinking your platform account(s) can also cause a loss of your Apex progress and data as well).

• EA Help | How to unlink from an EA Account