Scenario: 

Journal Entries debit credit column want to have more than 2 decimal point how to set?

Solution:

1) Go to Customization Centre, can refer below guidance

https://support.qne.com.my/support/solutions/articles/81000383848-how-to-access-customization-centre

2) Model > BOModel 

3) Scroll and search for QnEBS.BO.GL > JournalDetail > OwnMembers > CreditForeign 

4) At right hand side edit the DisplayFormat to {0:#,###,###,##0.0000;(#,###,###,##0.00); } 

5) Do the same for DebitForeign

6) After done click for save, logout and login system again to check for the column

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Refer attachment for details