As a .rar file, you will need third-party tools like WinRAR or 7-Zip to extract the contents.

“DMOZ — the Open Directory Project — officially closed today. It marks the end of an era of humans trying to catalog the entire web.” Search Engine Land · 9 years ago

While there is no public "official review" for the specific file , it likely contains a subset or processed version of the DMOZ (Open Directory Project) dataset, frequently used in data science for URL classification or web-scraping research.