DidsomeoneemailyouaHKIfileandyou'renotsurehowtoopenit?MaybeyouhavefoundaHKIfileonyourcomputerandwonderingwhatit'sfor?Windowsmighttellyouthatyoucan'topenit,orintheworstcase,youmightencounteraHKIfilerelatederrormessage.

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Did someone email you a HKI file and you're not sure how to open it? Maybe you have found a HKI 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 HKI file related error message.