I have a similar issue, but backwards. I linked my Microsoft Account to my PS4 account and it showed ALL of my Marketplace purchases. I went onto Minecraft Windows 10 Edition and ALL my Marketplace items are missing as well as my Minecoins are gone. I know Minecoins does not transfer to PS4, but they should not be missing. The only thing that show on the Win 10 Edition is the free pack I got, but the other packs I bought are telling me to purchase it again. I read on the FAQ that all content (except the exclusive ones) are suppose to sync, that mean they shouldn't disappear on one system and show on the other. Really wished I hadn't linked it, because I lost a lot of content and a ton of Minecoins.
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I have a similar issue, but backwards. I linked my Microsoft Account to my PS4 account and it showed ALL of my Marketplace purchases. I went onto Minecraft Windows 10 Edition and ALL my Marketplace items are missing as well as my Minecoins are gone. I know Minecoins does not transfer to PS4, but they should not be missing. The only thing that show on the Win 10 Edition is the free pack I got, but the other packs I bought are telling me to purchase it again. I read on the FAQ that all content (except the exclusive ones) are suppose to sync, that mean they shouldn't disappear on one system and show on the other. Really wished I hadn't linked it, because I lost a lot of content and a ton of Minecoins.