did someone email you a fileplanet file and you're not sure how to open it? maybe you have found a fileplanet 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 fileplanet file related error message.

How would the previous sentence be correctly capitalized?
Did someone email you a FILEPLANET file and you're not sure how to open it? Maybe you have found a FILEPLANET 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 FILEPLANET file related error message.