MS ONENOTE has twiced wiped its contents

Pretty much as the title suggests, one note keeps clearing all its contents , is it set to do this or backing up somewhere?? HELP! PLease?

  Totally-braindead 12:35 13 Dec 05

Only suggestion I have is look here click here and see if theres any help there. To be honest had to look up Onenote as I'd no idea what it was. Hopefully someone else has the same and can help more.

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