If the file is safe and you need to access its contents, you will need a specialized extractor:
Popular and reliable options include WinRAR or 7-Zip .
Files with cryptic names (like "1201FPDFEP") found on third-party sites are often used as containers for malware, adware, or potentially unwanted programs (PUPs). Always scan such files with updated antivirus software before opening.
The "PDF" within the name might suggest it contains a portable document, possibly a manual or report.
It could be a specific driver or update package for niche hardware.