1-9_to_1-14.zip | UHD |

: Right-click the .zip file and select Extract All or use a tool like 7-Zip. Locate Your Game Saves :

The file appears to be a specific Minecraft world or data conversion package, likely used to bridge progress between game versions 1.9 and 1.14. 1-9_to_1-14.zip

While there isn't one official "central" post for this exact filename, files named this way are almost always used for or archive transfers . How to Use 1-9_to_1-14.zip : Right-click the