import/export
Import
wsl --import (distribution) (install location) (file location and filename)
Import Example
wsl --import Ubuntu-20.04 C:\Users\MyPC\AppData\Local\Packages\Ubuntu C:\Users\MyPC\Documents\ubuntubackup.tar
Export
wsl --export (distribution) (filename.tar)
wsl --export kali-linux ubuntubackup.tar