Fixing Bedrock Data

Hello, I just gotten notified that 83 days in Cube Craft Deluxe is now gone forever because I downloaded windows Minecraft. I didn't know that when downloading a game, that it refresh's all your previous data on it. I was too stupid to think of backing up worlds so now it's gone. I searched ways and anything to find these worlds but no luck. I wish for a future where games, such as Minecraft, backs up all your data to make transferring and keeping your worlds safe. I don't want this happening to anyone else. Please fix this