Worlds completely gone from xbox cloud saved data. Years worth of Worlds missing from cloud storage list. Endless loop of syncing data before resetting console. Followed all steps listed and lost the remainder of local saves on Xbox.
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We're tracking this issue in MCPE-162455, so this ticket is being resolved and linked as a duplicate.
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Yes the sync world issue is the same as the other one but they did not experience data loss. I lost all the worlds in the cloud and locally. I would not call this issue resolved at all.

It went backwards with the photos but I put a step by step on how I was able to retrieve the worlds from XBOX One S console. I must have made a dozen backups by now. However there is still a sync issue remaining on the console. I have also found that the package folder I had used previously is gone after I reset the console and reinstalled the game. I think the bug we are facing is the update changing the save location? Either way this is how I saved my worlds. I also had to get realms to get the world back on to the xbox since there is obviously not any other way to do so.