One of the most important things you would want to do is to back-up and restore data, but it does demand a lot of space. Thankfully, Windows Vista comes with a new feature where the backup files can be easily compressed. The compressed files group will be present on ‘which file type do you want to back up’ screen and it will comprise quite a lot of large files in it. To reduce the time taken to run and the size of the backups, the file types have to include the following: