How to Edit / Display a Posted Document in SAP T Code - FB02 & FB03

Change / Display General Ledger GL Document:-

Display Any Document in SAP:-

Via Menus

Accounting -> Financial accounting  ->  General Ledger  ->  Document  ->  Change

Via Transaction Code :- FBO2


Edit / Change Any Document in SAP:-
Via Menus

Accounting -> Financial accounting  -> General Ledger  -> Document  -> Display

Via Transaction Code :- FBO3 

You can not Edit / Change Posting date, Amount from a Posted Entry.With the above T Code you can only change Text fields such as Assignment, Bline Date, Narration Fields etc.If you want to edit amount of a Posted document, you should reverse that document & male a fresh entry.