Click a document's title, or its eye button, to open it. PDFs open in the built-in viewer; photos open full size.

  • The up and down arrows (or Page Up / Page Down) move a page at a time; the page number shows where you are.
  • − and + zoom; Fit width fits the page to the window. Ctrl + + / − work too.
  • Save a copy… exports it. See Saving an unencrypted copy.

The document is decrypted into memory only, never to disk, and cleared when the viewer closes. Nothing in a PDF runs — no scripts or forms.