did someone email you a sp? file and you're not sure how to open it? maybe you have found a sp? file on your computer and wondering what it's for? windows might tell you that you can't open it, or in the worst case, you might encounter a sp? file related error message.

Please write the text above using proper case.
Did someone email you a SP? file and you're not sure how to open it? Maybe you have found a SP? file on your computer and wondering what it's for? Windows might tell you that you can't open it, or in the worst case, you might encounter a SP? file related error message.