Please capitalize where necessary: did someone email you a ruf file and you're not sure how to open it? maybe you have found a ruf 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 ruf file related error message.
Did someone email you a RUF file and you're not sure how to open it? Maybe you have found a RUF 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 RUF file related error message.