1. Open the fckconfig.js file in the fckeditor folder
2. Find the line:
FCKConfig.FontSizes = 'smaller;larger;xx-small;x-small;small;medium;large;x-large;xx-large' ;
3. Change it to:
FCKConfig.FontSizes = '10;11;12;13;14;15;16;17;18' ;
4. Save and close the file.
5. Now go to the browser, clear your browser cache
6. Open the editor page, and now you can see the changes!
Hope this helps!
