Use an extraction tool like 7-Zip, WinRAR , or PeaZip to open the .001 file specifically.
The file extension indicates the first part of a split archive created with 7-Zip . Large files are often split into smaller "volumes" (e.g., .001, .002, .003) to make them easier to upload or share. How to Open and Extract FAZFtAmUtplK.7z.001
Ensure you have the complete set (e.g., .001 through .005 ) saved in the same directory. Use an extraction tool like 7-Zip, WinRAR ,
Ensure you are opening the .001 file. If you try to open .002 or subsequent parts directly, most programs will return an error because the archive's "header" is only in the first part. Use an extraction tool like 7-Zip