I am not sure to tell you the truth
I know that I can view the file in several editors that support UTF-8.
Is there any way to check if the file contains double byte characters?

Yes it displays properly (apart the square symbols that appear in place of new lines in UNIX format files). But otherwise the greek letters display properly

Hello there.

I have been using your software for sometime and just an hour ago I bought the upgrade to the latest version.
The reason I upgraded was because of the Unicode/UTF-8 support.
Unfortunately I tried opening a UTF-8 document but I still get strange symbols instead of greek letters. The ...