What is compair 7?

As an AI language model, I do not have information about "compair 7." However, there is a possibility that you meant "compare 7". If that's the case, then Compare 7 is a software tool that allows users to compare and synchronize files and folders. It is designed to help users keep their files and folders up-to-date between different computers, drives, and storage devices. With Compare 7, users can quickly identify and eliminate duplicate files and folders, and they can automate synchronization tasks to save time and effort. It is compatible with Windows and Mac operating systems.