Hi guy’s,
I’m Dheeraj kumar i am newbie in docker & i need your help. i just pull nextcloud in my docker created database and completed setup but just for my curiosity i took backup of nextcloud docker volume backup using docker backup tool and removed nextcloud container and volume as well after that i pull nextcloud again in my docker now i want to know i can use my existing nextcloud docker data volume with new nextcloud docker containers. i have already imported old nextcloud docker volume backup. It would Be better if someone provides video instruction 
Note: I’m running docker in windows machine
hello @Dheeraj_Kumar welcome to the forum 
please take a look at official docs regarding persistent-data. I would recommend you as well to familiarize yourself with docker concepts itself.