To restore a task which archive type is store original files/folders, The restore window will show as below

For this type tasks, the destination can only be "New location" since no "original location" concept for a original copy of the source data. And since you need to specify the "New location" for each of this type tasks respectively, you can't restore all tasks of the project once.

If there are backed up data for Windows Registry keys in this archive, these keys will be saved as .reg files in the destination folder.