Feeling lots of pain in my outer foot arch does anyone know what kind of injury this is?

Not sure what you : Mean by outer foot arch but you may have plantar fascitiis or peroneal tendonitis depending on what you mean by outer....

Many possible causes: Your pain could due to trauma (fracture, sprain, arthritis, inflammation), infection, metabolic conditions (gout), poor circulation, musculoskeletal or biomechanical abnormality and different neurologic conditions (neuropathy). A thorough history and physical exam and possibly some laboratory and radiology exams are needed to determine the exact cause. The treatment varies depending on the cause.