A file named is the first part of a "split archive" created by 7-Zip. Large files are often split into smaller numbered segments (001, 002, 003, etc.) to make them easier to download or share.
7-Zip is the native tool for this format and is free to use. How to extract part files 001 using 7zip on windows (2026) GGIW.7z.001
You cannot open the .001 file alone. You must have of the archive (e.g., GGIW.7z.001 , GGIW.7z.002 , GGIW.7z.003 ) saved in the same folder on your computer. If any part is missing, the extraction will fail with an "Unexpected end of data" error. 2. Extract Using 7-Zip (Recommended) A file named is the first part of
To open and extract the contents of this file, follow these steps: 1. Collect All Parts How to extract part files 001 using 7zip