The file ap-20m-part1.7z is part of a larger split archive, likely a dataset or a large software distribution (similar to the or MovieLens 20M datasets). When you see "Part 1" in a .7z file name, it means the original data was too large to download as a single file and has been split into multiple volumes. To successfully use this file, follow these steps: 1. Download All Parts

Once all parts are in the same folder, you only need to interact with the .

: Place all parts in the exact same folder on your computer.