There is also a quick and dirty method suitable for the occasional file where you want to recover just the text without formatting. In Explorer use 'open with' OOo Writer and select "Text" from the "Filter Selection" dialog. Text should then be available but you will need to delete all the coding garbage.
When this issue has been resolved, it would help other users of the forum if you add the word - [Solved] - to the Subject line of your 1st post (edit button top right).
OOo 4.0.1 on MS Windows XP MySQL and HSQLDB