Quotation can be added in V12 by the Quotation Manager in the Sales module. Any Lines that the Quotation has can be also viewed on the manager screen.
Opportunities and Sales Orders
Opportunities and Sales Orders can be created using the details from the Quotation by the right-click drop-down menu.
Any linked Sales Order that is created by a Quotation can be viewed by the Sales Order tab displaying the Sales Order and Sales Line details.
Multiple item lines can be added to the Quotation, there a several type of line that the end user can set a line as. These are Non-Stock, Stock Item, RFQ, Service and Design.