Zwnd.7z.001 -

This file is only a piece of a larger archive. To successfully extract it, you must have all subsequent parts (e.g., zwnd.7z.002 , zwnd.7z.003 , etc.) in the same folder.

You can open this using the official 7-Zip (Windows), WinRAR , or mobile apps like 7Zipper (Android). zwnd.7z.001

The file is the first part of a split (multi-volume) compressed archive created with 7-Zip . Key things to know: This file is only a piece of a larger archive

You only need to open the .001 file. Most archive managers will automatically detect the other parts and join them together during extraction. zwnd.7z.001

Do you have the of this file in the same folder? 7z - Википедия