There are a number of mechanism for adding references to Mendeley.
- You can drag and drop PDF's or folders of PDF directly into you open Mendeley window. They are added quickly and can be found in your Recently Added Window
- You can import references from other reference management software
- Export the references from your previous reference manager as either RIS, BibTeX, PDF or EndNote XML file formats
- In Mendeley click File - Import, select the appropriate file and import it in