adding the world backup option microsoft account linked with minecraft

Please minecraft managemnt 😔am the minecraft player from 9 year but one thing makes me dissappointing and that is the world will be deleted in application after uninstall please give the solution for it by giving export world in application mode to external or ohter mobile ........and it is better making the world which is sticken to our microsoft account when we log i n another mobile with same account and the world's are backed up in the account itself please make this am kindly requesting please 🥺🥺🥺🥺 I created more than 200 world from 9 years because of this problem please add the world export option from application to external and world backup option it is not only my request 😭every mobile player are facing this problem 😭😭🥺🥺😔🥺😭😭😭😭😭 please give give priority to mobile players equal to pc players 😭😭