Use the frame manager to select an appropriate time from the previous day. This will do what you want, however, unless you want to loose all of the work that was done after that time, do not attempt to save any changes from Pro/E.
I have found that STEP is the best format to use for importing/exporting in Pro/E. IGES works for the most part, but you have to be careful with small rounds and planar surfaces. As with any translated file (native CAD to STEP) you lose all parametric association to the features; you're...
