You must download parts of the file into the same folder.
: You can find episode summaries and cast details on sites like MyDramaList . A Note on ".part" Files Download File 5156share.com.JinPaiTZR.EP26.part...
The filename ending in ".part" indicates that this is one piece of a larger file that has been split into multiple volumes (e.g., .part1, .part2). To successfully open it: You must download parts of the file into the same folder