This indicates that the original large file was split into at least 28 smaller pieces. You cannot use this file alone; you need every part (from part01 to the final part) to reconstruct the content.
Once extracted, you will likely find an .mp4 , .mkv , or .iso file. You can then use a media player like VLC to view it or check the file properties for more information.
A compressed archive. You will need a tool like WinRAR or 7-Zip to extract it. How to Access the Content To see what is actually inside, follow these steps: