Major changes are being done in App settings with a new update for Moon Invoice. Now users can customize the side panel of the Application. Please follow the below steps to perform the changes;

1. Go to Settings, click on the drop-down arrow of the Module. 
2. Now users can select only those Modules (Invoice, Proforma Invoice, Estimate, Purchase Order, Credit Note, Expenses, Time Log, Project, etc.) which they want to be displayed in the side panel.
3. Enable the selected option by clicking on the button at the extreme right. 

Please check the screenshot for more clarity: 

Note: Currently this feature is only available in Web applications

-Moon Invoice