Install 7-Zip , the free, open-source tool designed for this format.

(e.g., 5EK18EZQ6L.7z.001 through 5EK18EZQ6L.7z.024 ).

These files are used to break large datasets into smaller, manageable chunks for easier downloading or storage. To access the contents, you must have (001, 002, ..., 024) in the same folder. Guide: Extracting Split 7-Zip Archives (.7z.0xx) 1. Gather All Parts

While Windows 11 has native support for simple .7z files, it often struggles with split archives.

You may be trying to extract the wrong file (e.g., .005 instead of .001 ). Only use .001 .