Dtr0tdd.part20.rar -

: The .rar extension signifies a WinRAR archive. To access the contents, you must have all parts (Part 1 through the final part) in the same folder.

: A 4K movie rip or a full season of a TV show in high quality is frequently packaged in this format. DTR0TDD.part20.rar

: You typically right-click "Part 01" and select "Extract Here." The software automatically pulls data from all subsequent parts, including Part 20, to reconstruct the original file. including Part 20