I've tried the Spell Check tool in Cute Editor, but I was unable to make it work on Cyrillic.

I'm working with Cute Editor 6.6 and NetSpell.

I've also try this in the official demo Cute editor, also it doesn't work with words written in Cyrillic, for example "Проба".

CuteEditor supports multiple language, the online demo can be found in http://cutesoft.net/example/localization.aspx, you can add new language. The steps are as follows:

1. Replace "es-ES" with your own culture encoding, for example, change:
   <CE:Editor id="Editor1"  runat="server"  CustomCulture="es-ES"></CE:Editor>
   to:
    <CE:Editor id="Editor1"  runat="server"  CustomCulture="zu-ZA"></CE:Editor>  
   In visual studio, when you select cuteeditor control, and then click the dropdown list of  "CustomCulture" in properties view, you will find all possible encoding.

I've done all this steps, but when I try to write something on Cyrillic in the Cute Editor, and then click on the Spell Check icon, all the words that are on Cyrillic are ignored.

I've try it in the on-line demo, it's the same.

I've send you the .aspx file and the Macedonian Dictionary on Cyrillic, if you haven't received them yet, please tell me to send them again.

Thanks