ExtremeCopy is a big-file fast copying tool for Windows, which can give almost 20% ~ 120% performance increase to the Windows built-in copy function. This highly efficient file copying function is becoming pretty useful for more and more, larger and larger files.

Now, the size of the HD movie or game is bigger and bigger, be a file more than 10 GB easily, let alone download, even if copying/moving on PC is a very time-consuming thing! Together with the popularity of large capacity mobile HDD and Flash disk, this is a very excruciating thing for those who needs to copy large files regularly, just have to look at the progress bar move slowly.