Here is a download file that can be used for some initial review of PMP’s Best Friend. Download the file and do a restore (Database > Restore) and then you can see how the product reacts and how it works when it contains thousands of tasks.
This is a great way to see how PMP’s Best Friend can work for you.
Here is a download file which you can use as an import template. Download this and change what is in here to make your first attempt at doing an import easier.