Outlook Mp3 Player - Version 1.0 The Reminder of Microsoft Outlook can play only wav-file alarms. This Outlook Add-In component allow to play as alarms any music and video files ( mp3, mpg, avi, etc. ), open any document ( doc, rtf, txt, etc. ) or run any executable program (com, exe, bat, etc.). Choose any file of any type using the standard Outlook Tasks Parameters Form and it will be played, opened or run according due.