# 3. MP Host properties and config files

The MPH stores its configuration, hardware.id and mph.license files, preset files and preset background image files in the MP Host folder.

**Windows:** C:\\Users\\USER\\AppData\\Roaming\\MP\\Host

(Type %appdata% in the explorer's address bar and press enter, then navigate to folder MP)

![](https://kb.mpmidi.com/storage/uploads/images/gallery/2025-04/1745645030-uA9vrnDdPigr4i8Z.jpg)

**Mac:** /Users/USER/Library/Application Support/MP/Host

or ~/Library/Application Support/MP/Host

<p class="callout info">There are 2 Library folders on the MAC OS one is under /Library and the other ~/Library which means under your user account. You need to visit the ~/Library/Application Support/MP/Host</p>

To open the MP Host Folder from the MP Host plugin, on the controller's window,   
right click and Select Presets &gt; Show Presets Folder and it will open the MP/Host folder.

![](https://kb.mpmidi.com/storage/uploads/images/gallery/2025-04/1745645031-5SKOlWcO0MTDTXP3.jpg)

See [video](https://drive.google.com/file/d/1MIRHaAFv9iV0Yaej49BDjbVh-B3-0VXW/view?usp=sharing)