What is a SAV File Type?
Fortnite refers to the ClientSettings SAV file configuring the various parameters of the game. You can use Windows ClientSettings Editor to view and modify the settings. Certain parameters can be adjusted in the file, such as the HUDScale scale, the sensitivity of the gamepad and the mouse, and the control form-plate. You can also change the keyboard shortcuts that allow you to perform one or more actions in the game by pressing one key.
To open the ClientSettings Editor Help file, simply select File → Open, navigate to your file, and click Open. When you have finished modifying the file, select File → Save or save as, name of file, select the save location, and click Save.
What is a Default SAV File Name?
ClientSettings.sav - The default name given to the parameter file used by Fortnite.