Hi Michael,

If you install for example the Google toolbar, you'll see there is a
buggy behaviour there too.
We have an article about how to solve this issue but it uses some
Win32/C++ knowledge since with the standard Outlook controls is not
possible:

Outlook Addin: Implements a tailored Textbox:
http://www.nektra.com/downloads.php

Hope this helps.


Regards,
Sebastian
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http://www.nektra.com