I'm not sure I understand ... you have an existing field that holds your
assigned number. What type of field is that?

Regards

Jeff Boyce
Microsoft Access MVP

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"Orlan" wrote in message
...
We have a database for our recieving department. For each package
recieved, a
lot number is assigned and typed in. Now we are looking to automate the
lot
number, having an automatic lot number generated and added when a package
is
recieved. I can generate the automatic number, but is there any way to do
this and use the existing field? I don't want to disturbe the previous
data
for tracking purposes. If I can't figure this out, I will need to add a
new
field and searches become more complicated. Any suggestions?