Available in Sage 50 Premium Accounting and higher.
Change the Number Range for an Account Group
Before you can perform this task
                                                
                                                    
                                            
                                            - Switch to single-user mode
 - Have your accountant re-number any accounts with numbers that do not fall within your planned account number ranges.
 
To change the account number range for a group of accounts:
- In the Home window, on the Setup menu, select Settings. Open General (Accounts), and select Numbering.
 - Change the Ending Account Number for the last Account Group in the table.
 - Change the Starting Account Number for the last Account Group in the table.
 - Repeat steps 2 and 3 for each Account Group, working from the bottom up.
 - Click OK.