In the Menu Bar, click Edit > Preferences, then on the left side of the dialog box, select General Settings > Search. After making any changes, press Apply and Save to save them.
Options in this section influence the behavior of the advanced search.
Options in this section influence the behavior of the advanced search favorites.
Menu Structure - Select the default behavior of the Favorites menu structure. Choose from Grouped and Flat.
Write/File - Sets the default file used for writing the current saved favorites to. Click Add File to add a different .json file to the list. Click the icon in the Write column to set the file to use. To remove a file from the list, click the icon next to the file to select it, then click Remove File.