The File Extensions Database


.SON File Extension

  • Developer by: Apple, Inc.
  • Category: Audio and sound Files

What is an .SON file?

.SON is Notator SL audio

The son file extension is related to Notator SL, a MIDI sequencer/score program for the Atari ST line of computers.

It was one of the leading software sequencers during the late 80s and well into the 90s, and is to this very day still being used by music professionals.


How to open:

Use Apple Logic Pro to open *.son files.

How to convert:

Logic Pro is able to export *.son files to other formats.

How to solve problems with SON files

  • Associate the SON file extension with the correct application. On :
    Windows: Right click on any SON file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.SON files". Mac: Right click (or Ctrl-click) the SON file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .SON is Notator SL audio. Because only the current version supports the latest SON file format. Search, therefore, e.g. on the Apple, Inc. manufacturer website after an available .SON is Notator SL audio update.
  • To make sure that your SON file is not corrupted or virus-infected, get the file again and scan it with antivirus software.