An XIZ file contains an instrument used by ZynAddSubFX, an open source synthesizer. It contains parameters for an instrument that dictate the sound that it produces when loaded in the synthesizer.

XIZ file open in ZynAddSubFX 2 You may save and store XIZ files in any location on your computer using ZynAddSubFX. However, they are typically located in an instrument folder, such as Bass, Brass, Drums, Guitar, Organ, Strings, and Synth. These instrument folders are located in the following location: /usr/share/zynaddsubfx/banks To choose an instrument to use in ZynAddSubFX, select Instrument → Open Instrument..., navigate to the location of the XIZ file, and select OK. To choose an instrument from an instrument bank to use in ZynAddSubFX, select Instrument → Show Instrument Bank..., choose the bank from the dropdown menu, and click the instrument. To add XIZ instruments to ZynAddSubFX, place the XIZ files in a folder and move the folder to the following location: /usr/share/zynaddsubfx/banks Then, select Instrument → Show Instrument Bank... in ZynAddSubFX, and click the Refresh bank list. The instruments in the bank should now be displayed in ZynAddSubFX. NOTE: You may also import XIZ instrument files into LMMS, an open source digital audio workstation (DAW).