temp or lost file

  carmella 16:52 02 Jul 2003
Locked

is this possible?
I had a long Word document saved as a.doc
I then made lots of changes to it and accidentaly clicked "no" to save it before closing it. Is it any way to recover the changes? I tried looking for it in the Temp files folders in Windows. There was a temp file with extension .dat that I tried opening with wordpad and notepad, but the format is all wrong. I can read a few words in it and it does look like my document, but I don't know how to open it. Word suggests that I open with different encodings, but none of them seems to work.
any ideas?
many thannks
C

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