(The following information and screenshots relate to the latest version of the Papers app. For instructions on the classic version, please click here.)

Uploading any existing PDF articles into your Papers library is easy. Simply click on the "+" button in the top right corner, select "Import Files" and then import PDFs directly from local storage:

Or you can simply drag-and-drop PDFs directly into your Papers library from your device.

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Papers Classic

(the following instructions are for the classic version of Papers)

It's easy to upload any existing PDF articles into your Papers library. You can click the "+Add" then "Add Files" button (top left corner next to the search bar), and select PDFs from your desktop. 

Or, you can drag and drop single or multiple PDFs from your computer directly into your Papers library.