Mouse.ini Here

Used by tools like xboxdrv to map gamepad inputs to mouse movements.

Are you trying to in a specific game (like Skyrim or Fallout)? Are you using a streaming overlay that requires this file?

If a game or application cannot save your mouse settings, the .ini file may be set to "Read-Only" in its properties. mouse.ini

[ui-buttonmap] a=BTN_LEFT — Maps the 'A' button to a left mouse click. 3. Input Overlays for Streamers

On Linux, a file named xboxdrv-mouse.ini is used to make a gamepad act as a mouse. Used by tools like xboxdrv to map gamepad

Setting bMouseAcceleration=0 to ensure a 1:1 movement ratio.

[ui-axismap] x1=REL_X:10 — Sets the stick to control relative X-axis movement. and acceleration. Common Locations:

Storing user-defined parameters for mouse sensitivity, button mapping, and acceleration. Common Locations: