Native Instruments MASCHINE MK3 Groove Production Studio (Black) - Manual (Page 253)

5.3.5 Saving Groups
You can save your Groups as individual files (extension “.mxgrp”). This can be only done in the
software.
Saving Your Modifications into the Original Group File
If you have made changes to a Group loaded in your Project, you can save your modifications
as follows:
► Right-click (on macOS: [Ctrl]-click) the Group in the Group List or the Group name in the
top left corner of the Pattern Editor and select Save from the context menu:
→ Your modifications are saved to the Sound file.
Even if you don’t save a Group individually, its current settings will still be saved with your Project.
But once a Group is saved and tagged, it is available in the Browser for use in other Projects.
Managing Sounds, Groups, and Your Project
Managing Groups
MASCHINE - Manual - 253