https://www.google.com/webhp?sourceid=chrome-instant&ix=seb&ie=UTF-8&ion=1#hl=en&safe=off&output=search&sclient=psy-ab&q=morrowind%20bump%20maps&oq=&aq=&aqi=&aql=&gs_l=&pbx=1&fp=ecb6a798695883bc&ix=seb&ion=1&bav=on.2,or.r_gc.r_pw.r_qf.,cf.osb&biw=2133&bih=1038
More seriously, yes. Sadly, I only know how to do it in Blender. Here's how I learned: http://niftools.sourceforge.net/wiki/Advanced_Texture_Settings_in_Blender