The file is the first part of a multi-volume compressed archive created using 7-Zip . The ".001" extension indicates that a large file or folder was split into smaller pieces for easier sharing or storage.
: Every part must have the exact same base name (e.g., A1e5CRBGMSE.7z.001 , A1e5CRBGMSE.7z.002 ). How to Open and Extract How to Open and Extract .001 Files - Microsoft Q&A A1e5CRBGMSE 7z 001
To successfully access the contents, you must follow specific steps to "join" or "combine" these parts back together. Requirements for Extraction The file is the first part of a
: You cannot extract the archive with just the .001 file. You need all subsequent parts (e.g., .002 , .003 , etc.) that were originally created with it. A1e5CRBGMSE 7z 001