If you have versions turned to more than 1 in Options then you can try
opening a old version. In the file Open dialog, highlight the file, then
click the options button. Pick the older date file.
A side note... R6 keeps the backups as separate files.
--
Kent Keller
Member of the Autodesk Discussion Forum Moderator Program
http://www.MyMcad.com/KWiK/Mcad.htm
"pbt"
wrote in message
news:f11e9b1.-1@WebX.maYIadrTaRb...
> found that there is no commond in inventor to recover the part or
assembly. is there any other method to that ?