Prettybutterflies.7z.001 -

: Ensure the file isn't actually named something like PrettyButterflies.7z.001.exe , which would be an executable program rather than a data segment.

: Always run the file through a service like VirusTotal or scan it with updated antivirus software before opening the contents. PrettyButterflies.7z.001

: Large, split archives are sometimes used to bypass email or browser security scanners that have file size limits. : Ensure the file isn't actually named something

To access the contents of this file, you cannot simply open the .001 file alone. You must follow these steps: To access the contents of this file, you

: 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.

Do you have the of this archive, or are you trying to verify the source where you found it?