What do you mean by "open"? Did you try to browse the dataset using some graphical user interface tool? How do you expect to browse 5 gigabytes of data? What happens if you run CODE against the dataset? Try PROC CONTENTS first. Then PROC MEANS. Do those work?
What do you mean by "open"? Did you try to browse the dataset using some graphical user interface tool? How do you expect to browse 5 gigabytes of data? What happens if you run CODE against the dataset? Try PROC CONTENTS first. Then PROC MEANS. Do those work?