It seems a bit rough and ready but you can save the full text from Acrobat 8 by clicking on File - Save as Text. Interestingly, the formatting (e.g. text flow round an image) seems to be fully retained.
Images can be transferred (individually) by clicking on them and copy/pasting them as normal.
So unless the document is v. complex, it seems to be possible to reconstitute it into Word format quite easily. And not a penny spent.
There are lots of utilities to do it - but they all seem rather more expensive...
BTW, to generate PDF from any application that can print, we use CutePDF which is a treat to use, click here. It needs GhostScript but that's also available on the link. And still not a penny spent... HTH.
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