Batch 4.7z.001 -

A file named is the first part of a split 7z archive . Large files are often split into smaller "parts" (e.g., .001, .002, .003) to make them easier to download or transfer.

To access the contents, you must join these parts back together during the extraction process. Prerequisites for Successful Extraction How to Extract .7z.001 files - Microsoft Q&A Batch 4.7z.001