Treat these files like any other download. Scan the downloaded .rar files with reputable antivirus software before extracting them.
Ensure apulfmqs.part1.rar , apulfmqs.part2.rar ... apulfmqs.partN.rar are in the same folder on your computer. apulfmqs.part1.rar
You cannot simply open part1 to get all the data. You must have all parts ( part1 , part2 , part3 , etc.) in the same folder, and the software will merge them during extraction. Treat these files like any other download
You need a program like WinRAR (official) or 7-Zip (free/open-source) to handle the archive. etc.) in the same folder
The actual data (e.g., an EXE file, videos, or documents) is spread across all parts.
Splitting files allows large archives to be uploaded/downloaded more reliably than a single, massive file, which might get corrupted.