When was the Old Testament of the Bible said to have been written?

Hi! Thanks for the question.

The Old Testament of the Bible is actually a collection of different
books and would naturally be written at different time intervals.

The following website provides a good estimate on when each book was
written. The Old Testament books are from Genesis to Malachi.


?When was the Bible written and who wrote it??
http://www.carm.org/bible/biblewhen.htm

I hope this link would help you in your research. Before rating this
answer, please ask for a clarification if you have a question or if
you would need further information.
                                                          
                              
Regards,                              
Easterangel-ga                              
Google Answers Researcher

Quick response, just the answer and source I was looking for.  Thanks!