Mc.rar — Db

: Essential files containing world settings and metadata.

: The thumbnail image displayed in the Minecraft world selection menu. DB MC.rar

: Open the extracted folder to ensure it contains the db folder and level.dat files. : Essential files containing world settings and metadata

: Double-click the new .mcworld file to launch Minecraft and automatically import the world. DB MC.rar

Are you trying to or are you seeing an error message when trying to open this file? How To Covert Minecraft .ZIP Files Into .MCWorld Files!