The .part17.rar extension indicates the original content was too large for a single file and was split using software like WinRAR.
If you did not personally initiate this download from a trusted, verified source, it is highly recommended that you do not open it . 4. How to Proceed If you trust the source and want to see what is inside: Tr-io.part17.rar
Extract the files in a virtual machine or a "sandbox" environment to prevent any potential scripts from running on your main OS. Tr-io.part17.rar