Proficiency with computer software programs is the eighth of the top ten skills employers are looking for. There are many computer software programs, and many resources for increasing skills. A printable outline of levels of proficiency in Microsoft Office programs is available at Concordia University (a five page pdf). There are also MS Office Skills Checklists at danarmishaw.com.
Illinoisworknet.com provides skills for computer literacy.
Explore more possibilities for online courses at the Smart Skills page.