https://help.myob.com/wiki/x/qx_EAQ
Only the Account Name of an added account can be edited. Added accounts are displayed in italics in the Prepare Trial Balance (Workpapers) table.
This functionality applies to all products except for AE/AO Ledger.
Click Edit account on the Tasks bar. The Edit Account window opens.
The Account Name field is the only field that can be edited. All other fields are disabled.
Adding header and detail accounts
Deleting an added account
Opening an existing period
Importing the client's balances
Adding workpapers and source documents
Accounts
Opening workpapers
Completing workpapers
Opening source documents
Adding journals
Managing, tracking and approving workpapers
Posting journals and exporting new accounts