>I want to store data (letter formats ) in memo field using rtf control.
>1. > How do I print it ?

See How do I invoke the SelPrint method of the Richtx32.OCX control to print RTF content FAQ #15451

>2. > Can I used textmerge with it ?

An RTF document is just a text with formatting codes. You can use textmerge as long as it doesn't corrupt those formatting codes.