MicroKORG Sound Editor Troubleshooting Guide

The microKORG Sound Editor is free software from KORG for transferring patches (presets) back and forth between your computer and your MicroKORG via MIDI, as well as for editing those patches. Unfortunately, the software is clunky, and not at all self-explanatory.

A few people who have bought my original patches for the MicroKORG have run into trouble loading them into their synths. From my experience, these are a few of the common problems people run into. Hopefully this information will be helpful to others as well.

So if you’re stuck, here are some things to check.

Start by Backing Up Your Current MicroKORG Preset Bank

Once you have the MicroKORG Sound Editor working, I recommend that you start by transferring your entire current MicroKORG presets bank to your computer so that you can always recover anything you overwrite on the synth itself. On the Windows MicroKORG Sound Editor you simply drag the microKORG icon from the “My Device” folder into the “My Setup Folder” and rename it to something memorable.

MicroKORG Settings

In order the make sure your MicroKORG is configured to talk to your computer you need to make sure you have the following settings enabled on your MicroKORG.

Enable System Exclusive MIDI messages

  1. Hold down shift and press 4. LCD display should now read “FLt
  2. Turn dial 4/”eg release” all the way left and then all the way right. LCD display should now read “E-E
  3. Press 4.

Turn Off Write Protection

  1. Hold down Shift and press 8. LCD display should read “út.P
  2. Turn knob 1/”cutoff” all the way right and then all the way left. LCD display should now read “oFF
  3. Press 8.

Set MIDI Clock to External Sync

Note: After you’re done syncing with the MicroKORG Sound Editor you’ll want to remember to set the MIDI Clock back to either Internal or Auto so that the internal arpeggiator will work without an external timing source.

  1. Turn the “Edit Select 2” dial to MIDI
  2. Turn dial 3/”Eg attack” all the way left and then all the way right. LCD display should read “Ext
  3. Press WRITE twice.

Set Local to “Off”

Typically this is not necessary, but occasionally people have reported that this solves issues where patches don’t transfer properly or revert to init patches.

Setting Local to “Off” disables the keyboard keys. After connecting and transferring patches, you will want to remember to turn local back to “On” in order to play your microKORG.

Basic Troubleshooting

  • Make sure you have the MicroKORG connected to your computer via MIDI. Typically the “out” on your MIDI interface should connect to “in” on the MicroKORG and visa versa. If that isn’t working, try swapping them. Nothing should be plugged into “thru”.
  • Do you have the audio output of your MicroKORG plugged into an amp or headphones? Is the volume turned up?

Download the Latest Version of the MicroKORG Sound Editor for MicroKORG-S Compatibility

KORG still has the old v1.0 of the software online, but make sure to grab the latest version (2.0), which adds compatibility with the new MicroKORG-S:

Windows – http://www.korg.com/us/support/download/software/0/104/3500/
Mac OSX – http://www.korg.com/us/support/download/software/0/104/3501/

How to use and transfer patches in .PRG, .SYSEX, .MID, and MicroKORG Sound Editor formats to your MicroKORG

The Windows and Mac OSX versions of the MicroKORG Sound Editor behave differently and the formats they save are not compatible with one another.


Here’s a great video walkthrough.

The Windows MicroKORG Sound Editor saves patches in a .PRG file format. These should be placed in your My Documents\KORG\My Library\microKORG folder. This folder should appear on your computer after the first time you run the MicroKORG Sound Editor. The files should show up within the MicroKORG Sound Editor, and all you need to do is double-click on one to load it up, and then use the “Write” function on either the open window or on the MicroKORG itself to save the patch to the desired memory slot.

Alternative Option: MIDI OX

If you are having trouble getting the MicroKORG Sound Editor to work, or have patches in a .MID format, try using a software called MIDI OX to send the patches.

MIDI OX: http://www.midiox.com/

This installs two programs. For simplicity sake just use the program called “MIDI Bar”

  1. Click on the second icon (a circle with dots in it) and select the MIDI interface your MicroKORG is connected to.
  2. Click on the folder icon and select a MicroKORG patch in .MID format.
  3. Click on the “>” icon (play).


The Mac OSX version of the MicroKORG Sound Editor saves entire banks in its own file format that doesn’t have any extension. Here’s a good overview video: https://youtu.be/4VL08wpLcvw

Another option for transfering individual patches from your computer to your MicroKORG on a Mac is via SysEx, via 3rd-party software. I recommend the free SysEx Librarian. If the patches have a .PRG extension, you’ll need to rename them to .MID. If they’re already .MID then you’re good to go.

SysEx Librarian: https://www.snoize.com/SysExLibrarian/

Compatible MIDI Interfaces

Check the website for the manufacturer of your MIDI device and see if there are newer drivers available. Nonetheless, some people have complained that some cheap MIDI interfaces don’t work. Feel free to leave a comment to let people know which interfaces have worked or not for you, and I’ll add it to this list.

Reported Not Working

  • Miditech 2×2

Reported Working Successfully

  • Steinberg UR22

Still Not Working?

If you’re still having trouble, leave a comment with your problem and I’ll see if I can help figure it out.

28 thoughts on “MicroKORG Sound Editor Troubleshooting Guide

  1. Jojo says:

    I’m having a problem transferring the patches on the synth. I got all the files uploaded to the My Library> Microkorg but when I try to write them I just get a basic sawtooth pattern… What am I doing wrong?

  2. Brian Mc says:

    I tried everything the “Korg Pros” , on many different sites, recommended and could not get my computer and microKorg to communicate. Your suggestion of switching the in/out midi cable jacks around was Genius! You would think the “in” cable would go into the “in” midi slot of the Korg, but switching them was the answer. Without your help, I would have spent a ton more money on midi stuff I didn’t need.
    Thank You SOOOO Much!
    Sincerely yours,

  3. Pete says:

    Does anyone know if theres a way to backup the patches that are currently in the microkorg onto a Mac? I see that theres a way with the Windows sound editor but I want to backup my patches before buying any more new ones.

  4. Scott says:

    Awesome instructions, thank you! I just wanted to note incase anyone else had this issue… my Mac did prompt me saying that the MicroKorg didn’t respond, but going through the patches, it sure as hell sounds like it did! 😀

    I’m using a MIDI to USB straight from the MicroKorg to MacBook Pro.

    Thanks again!

  5. Scott says:

    Awesome instructions, thanks you! I just wanted to note incase anyone else had this issue… my Mac did prompt me saying that the MicroKorg didn’t respond, but going through the patches, it sure as hell sounds like it did! 😀

    I’m using a MIDI to USB straight from the MicroKorg to MacBook Pro.

    Thanks again!

  6. wayneward distractions says:

    Howdy, just an obvious revelation, if you’ve encountered difficulty with “Microkorg not connected to specified port” or other random error messages on a Mac, verify that that you have d/l the correct editor… I have Microkorg XL and spent all afternoon failing to load Thoracius’ patch… only to discover that I was using the Microkorg XL+ editor…doh. Upon using the correct editor, the patch installed easily and quickly…brilliant sounds have brought new life to the Korg….. trying to tweak Juno sound to approximate Blue Monday…cliche , I know but fun nonetheless

  7. Frann says:


    I tried everything to get my MIDI converter (MIDIMAN 4×4) working, but still I can’t select anything except ‘Show Midi monitor, all note off and keyboard’. I have changed the preference settings in the sound editor program to my midi device but I still can’t get it working so I can use my put new patches on my microkorg… I was hoping that someone has a solution for this problem… I use a Mac and I have downloaded the drivers that were needed…

  8. Alice says:

    Hi, I’m using a Roland UM-One mk2 midi interface with the most up to date driver, I’ve turned off write protect, have tried several different channels but keep getting the message “MIDI error – Microkorg s didn’t respond” when I try to transmit the patches. I’m using Microkorg sound editor v 2. Any ideas where I’m going wrong?! Thanks

  9. Dana says:

    I had the “error” problem while transferring the sound patches.
    After many attempts I changed the midi channel from 1 to 2 both in microkorg (edit select 2 —> 1/cutoff knob —> 2 ) and sound editor (preferences —> default MIDI channel —> 2 ) and the error did not appear again.

    The micro Korg’s screen did not “blink/swing” though as before, but the sounds were all properly transferred.

    Let me know if it works for you too.

  10. mdog says:

    I’m able to get the patches to load via MIDI-OX on my Windows machine, I’m transferring a .syx file. Once I turn off MIDI-OX the keyboard no longer plays the sounds. Do I have to manually save them once they are loaded to my MicroKORG?

  11. laffont says:

    Hello Thoracius
    I can’t find how to load the patch on the microkorg.
    I tried everything you’ve written on the FAQ, several times, and the microkorg editor still writting “midi error : communication error” when i try to send the patch with the transmit midi option on the korg editor, and also when i try to do it manually for each sound of the patch. I also tried wit sysex but same problem… Do you have any idea of how i can do? Thank you so much for your help.

  12. Mike Gordon says:


    I just found and resolved a problem with imported prg files not changing the parameters in the Korg Sound Editor and imported set files not effecting the microkorg even though it looks like everything is transferring normally.

    Sounds I had created and saved transferred back fine; just not imported ones like your presets which my partner recently bought.
    I couldn’t find a solution after multiple searches but finally tried setting the microkorg to LOCAL : off
    I hadn’t wanted to do that because it defeats the purpose of browsing through sounds.

    But it worked and I was able to load your set!

    Just thought I’d post here in case anyone else had run into the same problem.

    Fantastic sounds. Thanks so much for the effort put into this.
    Just in time for the second season of Stranger Things!


  13. Amanda says:

    I don’t know if this is something you’ve run across before but I thought I’d ask. I did everything listed and successfully loaded the patches but for some reason my cutoff button has stopped working completely and I cannot change any of my settings now. Have you ever seen this happen?

  14. Tyler says:

    Sorry if this is a dumb question- I loaded in all the patches via SysEx Librarian- now that I have transferred them via the PLAY option on the program- how do I access them on the Korg? how can I go between them all? any advice would be appreciated – will they be saved?


    • No says:

      If you’re doing sysex, you have to load & save each patch, manually. What I did was to use the A & B vocoder banks. Select a patch on the Microkorg, load the sysex & save the patch. Select another patch & repeat.

  15. blair says:

    hey i just bought your patches but unfortunatley i cannot get them as ive tried the microkorg editor software and midi ox and both cannot read my microkorg. i am using a usb to midi output and have set to e-e and disabled write mode. also tried swithing ports, restarting and volume is up and no headphones or amps plugged in. im thinking maybe its my usb to midi conector but idk, its one i got for 20$ at a music store and it doesint have a brand name just says usb midi. any ideas? thanks!

    • No says:

      Did you make sure to manually set the ports in MIDI-OX? I’m using a Presonus Audiobox, so I had to set the ports to Audiobox. I don’t know what MIDI interface you’re using. Whatever one it is, make sure to select it for the ports.

  16. Andrew Turner says:

    Thoracius was a big help in getting his patches on my MicroKORG. It can be difficult because of the MicroKORG sound editor, but Thoracius has done as much as he can to make the process work. PLUS HIS SOUNDS ARE AWESOME! Shift 8 and Shift 4 are critical in getting the KORG to transfer, as well as turn the knob to set the MIDI clock, although when I turn the knb left and far right, it reads 127 not EXT.

  17. sebastian says:

    checked all the midi settings. switched from the sound editor to midi ox–which wouldn’t even load because the latest version is only for like windows xp. usb-midi cables wouldn’t work either. not really in the position financially to buy a midi interface either, as it seems none of the hubs have drivers newer than windows xp or vista.

    if you have a txt file with the patches transcribed (like todd smith does), i could work with that. if not, i guess i’m giving up.

  18. Andrew Turner says:

    I bought the patches and have had a lot of trouble with the editor (MAC). I was able to use your troubleshooting to receive all the synths I currently have on my MicroKorg. My trouble is getting the patches I downloaded into the Sound Editor to transmit them. I haven’t been able to find a video or article online yet about how to get the .MID files imported into the editor. It seems like from the videos I have seen from Windows users that they just drag the files nicely into it, but it won’t let me do that on my MAC. Thoughts?

  19. Toby Baker says:

    Just can’t get it to work. Macpro tower, 0sx 10.7, emagic mt4 midi interface.
    Just says microkorg not responding.
    Someone help……

    • Thoracius says:

      Have you selected the correct MIDI ports in the settings? Are you sure you’re using IN and OUT and not THRU? Have you tried swapping in IN and OUT cables?

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