Oracle Report Bulider vs. Excel

I have a problem with importing Reports from oracle report builder into
excel. I've tried copy and paste in to excel of html report but it makes
cell's of the report biger then the rest of them. I've tried generating a
delimited txt file and importing it into excel but in only works for matrix
reports. Is there any way to import others reports into MS Excel and make
them look "normal"?

Thanks for any help
Juchny