This specific file is the of a compressed archive. It doesn't contain the whole movie; instead, it holds a specific "slice" of the data. You need every single part (from part01 to the final number) in the same folder to successfully watch the film. Common Issues & How to Fix Them
Because this is a specific part of a multi-volume archive, a blog post about it serves best as a for users who may be stuck during a download or extraction process.
If your extraction software (like WinRAR or 7-Zip) stops and asks for "part29," it means the file is either missing from the folder or has been renamed.
If you try to extract the movie and get an error specifically pointing to part29 , it means this specific file is corrupted.
Since the movie is likely 50GB+, you need at least 100GB of free space (50GB for the .rar parts and 50GB for the extracted movie).