office 2013 items appear in task bar but not 'ALL APPS'

[WPCentral Question]

upgraded from Win7 64 bit, which contained office 2013, to win 10. My office items -word & exel- both appeared in the task bar 7 are opened ok from there, but are not listed in the all apps list either as office 2013 or as word or exel why? how is this problem corrected.
Bill H.