If you do not use Prefixes in your GL account format, follow Option 1.
 If you use Prefixes in your GL account format, follow Option 2.
 
 NOTE: An account that does not use a prefix may look something like 1001 or 1001.01. Accounts with a prefix may look like 10-1001 or 100-230-10001.  
 Option 1: Setup a new GL Account (prefixes are not used)
  - In General Ledger, from the Setup menu, select Accounts.
  - Enter the Account and press TAB.
  - Enter the account Title and press TAB.
  - Select the appropriate Account Type and options for this account.
  - Click Save.
  
 After creating the new account(s), update the financial statement designs to include the new account(s). Refer to article DocLink: How do I add new accounts to a financial statement design?
 Option 2: Setup a new GL account (prefixes are used)
 Confirm the Prefix and Base account are set:
  - In General Ledger, go to Reports, Lists.
  - Open the report for Prefix A, Prefix B, and/or Prefix C and verify the prefix for the account is on the list.  
  - Go to Reports, Lists, and Base Accounts.  
  
 Setting up one account:
  - In General Ledger, from the Setup menu, select Accounts.
  - Enter the full Account, including the prefix, and press TAB.
  - Enter the Account Title and confirm the pre-filed settings are correct.
Note: It is important that the full account and base account have the same Account Type. Financial Statements will not be correct if the types do not match.  - Select appropriate options for this account.
  - Click Save.
  
 Setting up multiple accounts:
  - In General Ledger, from the Setup menu, select Generate Accounts.
  - Select the base account(s), then click OK.
  - Select the prefixes(s) to combine with this base account.
  - Click Start.
  
 After creating the new account(s), update the financial statement designs to include the new account(s). Refer to article How do I add new accounts to a financial statement design?