@ Hellgate, It is Quick Office Premier 5, the programme installed successfully but did not work as expected. I downgraded to QuickOffice Premier 4.5. Then after restart the problem pops up.
@ Pathik, Dont Know about the 3 key format
Kinda new to smartphones. Besides, this is my first Nokia Phone.
@ Kaushik, ya I send it to Nokia Care, better I have post this message before sending