# TWEAKS **The following values can be set in a profile's `options.json` file to tweak the program** (see [File Locations](manual.md#file-locations))

_MaxDisplayNameLength_: `5`-`50`
_IconVisibilityEffect_: `None`,`Glow`, `Shadow`, `Outline`, `StrongShadow`, `ColoredGlow`, `AngelGlow`
_DeletePreviousLogOnStart_: `true`, `false`
_SuppressLaunchWarnings_: `true`, `false`
_DisableSingleInstance_: `true`, `false`
_ExportShortcutsOnFrameDeletion_: `true`, `false`
_DeleteOriginalShortcutsOnDrop_:`true`, `false`
_NoWildcardsOnPortalFilter_: `true`, `false`
_ShowPortalExtensions_: `true`, `false`
**Notes**: - Changing values manually on json can trigger program instability and crashes. - All settings are applied on program start