I get the same message in Excel 2003. I think the issue is with the object
not being "trusted". Here is a possible explanation for the message you get:

http://support.microsoft.com/kb/838010

Here is a potential workaround involving inserting a MS Word object:

http://www.microsoft.com/communities...&cr=&sloc=&p=1

HTH,

Eric

"K" wrote:

I got Microsoft Rich TextBox Control 6.0 (SP4) on my excel 2007 but I
can not load it on my sheet as the error message comes up saying
"Cannot Insert Object". Please can any one help that how can I make it
work on my excel.