If you are familiar with XML, you can edit the project .APJ file; levels and divisions are stored like this:
<Level Id="4" ScheduleId="3" Elevation="700" Height="300" Name="Cobertura" Description="Cobertura"/>
<Level Id="3" ScheduleId="2" Elevation="350" Height="350" Name="Superior" Description="Pav. Superior"/>
<Level Id="2" ScheduleId="1" Elevation="0" Height="350" Name="Térreo" Description="Pav. Térreo"/>
<Level Id="1" ScheduleId="A" Elevation="-280" Height="280" Name="SubSolo" Description="Pav. Subsolo"/>
<Division Id="1" ScheduleId="AT" Name="Anteprojeto" Description="Anteprojeto"/>
<Division Id="2" ScheduleId="AP" Name="Aprovação" Description="Aprovação"/>
<Division Id="3" ScheduleId="Ex" Name="Executivo" Description="Executivo"/>
<Division Id="4" ScheduleId="AQ" Name="Arquivo" Description="Arquivados"/>