The DLCs were never shipped on disc, when you buy the disc you're paying for the vanilla install and a code for the expansions. If you're on the account you redeemed the code on/purchased the expansions on then first try [url=https://help.bungie.net/hc/en-us/articles/360049196071-Accessing-and-Restoring-Licenses-to-Destiny-Content]restoring licenses[/url] If that doesn't work, you'll need to speak to your platforms support team. One thing to note since you're on Xbox is that if you had Game Pass Ultimate, you may have been accessing the expansions via that during the time they were available on the program.