You can import a Quote into SalesCQ. You will find sample import files in the \Softral\SalesCQ\SAMDATA Folder. If you press F1 under File | Import | Quotes you can see all the fields you can import and the various import formats that are supported. You can import from Excel spreadsheets and text files.

Having said that, import are fiddley, and it might well be worthwhile having someone help you if this is going to become a regular occurrence.