Do you have the of this archive, or are you trying to verify the source where you found it?
: This indicates that the file is the first part of a multi-volume archive . Large files are often "split" into smaller chunks to make them easier to upload, download, or store on formatted media. PrettyButterflies.7z.001
To access the contents of this file, you cannot simply open the .001 file alone. You must follow these steps: Do you have the of this archive, or
: Always run the file through a service like VirusTotal or scan it with updated antivirus software before opening the contents. To access the contents of this file, you
: Ensure the file isn't actually named something like PrettyButterflies.7z.001.exe , which would be an executable program rather than a data segment.
The software will automatically detect the other parts and join them back into the original full-sized file. Security Warning
: If even one part is missing or corrupted, the archive usually cannot be opened. Extract : Right-click on the first file ( .001 ). Select 7-Zip > Extract Here (or use WinRAR / PeaZip ).