Will the Windows Restore program restore .pdb files?

i.e. .pdb files in c://palm/hotsync_user/backup?

We hotsynced a pda and then overwrote a particular pda file a few days later and because neither the pda or pc have backup programs we are wondering if a "Windows System" restore to a date before the overwriting will help us get that file back.

If this can be done, would I rename the "hotsync_user" folder before doing windows restore to make certain it brought back all the info?