How to save attachments from MS Access 2007 using Java?

I have table in Access where i store id my task and attachment (docx file) to it. Attachment has datatype "Attachment". I need to save this attachment to diskspace using java(each file in own directory). When i export this table to XML i see some like this

<Findings>
<id>265</id>
<Finding>
<FileData>FgAAAAEAAAAFAAAAZABvAGMAeAAAAFBLAwQUAAYACAAAACEACSSHgoEBAACOBQAA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</FileData>
<FileName>Document.docx</FileName>
<FileType>docx</FileType>
</Finding>
<IDfind>PAY-14 1 07 01r7</IDfind>
</Findings>

with XML tags. Then I using DOM parser parse this XML and save to File(with extension docx) each FileData. But Word show error when i try to open this file. Can you help me solve my problem?