| Action | Result | | :--- | :--- | | | Works if manifest.json is at ZIP root. | | Unzip → Re-zip correct contents → Rename | Fixes "Invalid manifest" errors. | | Direct rename fails | The pack has wrong internal structure or is for Java. | | Minecraft doesn't launch after double-click | Not a conversion issue; reinstall Minecraft or check file association. |
On Windows 10, go to the tab and check the box for File name extensions . Rename the File : Right-click your .zip file and select Rename . Delete .zip from the end of the name and type .mcpack . how to convert zip to mcpack