File Name- Mowzies-mobs-addon-mcpe-1.19.mcaddon Fixed Guide

A: No. The file extension .mcaddon is exclusive to Bedrock Edition (MCPE, Windows 10/11, Xbox, iOS, Android). Java uses .jar or .zip .

: Once imported, you must go to your World Settings, activate both the Resource and Behavior packs, and ensure "Experimental Gameplay" toggles are turned on for the mobs to spawn correctly. Official vs. Unofficial File name- Mowzies-Mobs-Addon-MCPE-1.19.mcaddon