Another (fairly) easy way... go into design view,
change the field to another datatype, save it,
and change it back (this assumes that you dont
have any data in the autonumber, and just want to
start over at 1 or whatever).
Another option, copy the table, and when you
paste it back in, choose structure only, this will
give you an empty copy of the same table, with the
autonumber reset.
Tj