I do not believe Jet (the database engine Access uses) supports table-level triggers, so you'll need to use a macro or VBA code in a form to trigger the extra record.

I am able to add records to a single table just fine, I am able to edit records in 2 tables just fine, however, I am unable to add new records to 2 tables at once.<BR><BR>I have two tables, table1 ...

Microsoft Office is more than the sum of its parts—you can link an Excel database table to an Access database, integrating your data and adding value. Here’s how. You don’t have to import an Excel ...