Document Viewer Help Introduction — Introduction to the Papers Document Viewer. Reading documents Find text in a document — Search for a word or phrase in a document. Moving around a document — Navigating, scrolling and zooming. Open a document — How to open a document. Password-protected documents — Handling password protected PDFs. Presentations and other supported formats Presentations — How to play presentations. Supported formats — PDF, DejaVu and many others are. Printing I can't print a document — The author may have put printing restrictions on the document. Printing a booklet — How to print a booklet. Printing a document — How to print, and common questions about printing. Annotations and bookmarks Adding annotations — How to create and customize annotations. Annotation navigation — How to navigate to annotations. Bookmarks — You can use annotations like bookmarks. Can't add annotations? — Annotations can only be added to PDF files. Removing annotations — Delete annotations from a PDF document. Save a copy of an annotated PDF — How to save your annotations. Interactive forms Forms — Working with fillable forms. Saving a form — Make sure you save the form, otherwise all of the information you entered will be lost. Frequently asked questions Can I edit documents in Document Viewer? — You can't use Document Viewer to edit files. Why can't I open a file? — Error When Opening A File. Why didn't the text I selected copy properly? — When you copy text, the text that is pasted might be different from what you had selected. Why does the document keep reloading? — Your document will be automatically reloaded if another program changes it while you're viewing it. Advanced The command line — The papers command can open any number of files, at specific pages and in various modes. Tips and tricks Converting a document to SVG — You can convert a document to SVG by "printing" it to a file. Header bar — Using the header bar. Invert colors on a page — Inverting the colors can make it easier to read some text. Get involved File a bug against Document Viewer — How and where to report problems. Help develop — Improve Document Viewer. Help translate — Localize Document Viewer. Help write documentation — Contact the Documentation Team. See Also License — Legal information.