How data can be exported into Word/Excel documents using PHP?

Answer 1

You haven't described what you have tried so far, so here's just two links to good libraries for generating those files via php:
Excel: http://phpexcel.codeplex.com/
MSWord: http://phpword.codeplex.com/

Answer 2

Read More Information on
Excel: http://phpexcel.codeplex.com/
MSWord: http://phpword.codeplex.com/

Answer 3

You can get your answer ,for exporting data into those files using php, in detail from following links .
Excel: http://phpexcel.codeplex.com
MSWord: http://phpword.codeplex.com