If the sidebar is not showing thumbnails, choose View > Sidebar > Thumbnails.Ĥ. Verify that the sidebar is configured to show thumbnails (this the default view).
If the sidebar is not showing, click the Sidebar button in the Preview window's toolbar, or choose View > Sidebar > Show Sidebar.ģ. Open the PDF documents that you want to combine in Preview.Ģ. If you drag it into the sidebar but not on top of an existing page the new file will be added as an external link – not merged into the original pdf document. NOTE: The second opened PDF file must be on top of the first opened thumbnail. Drag a second pdf file ON TOP OF the existing page thumbnail. Open the thumbnail view (Shift-Command-D).ģ. To combine two PDF files together using Preview (the standard PDF viewer in all Mac OS X):Ģ. How to Combine & Join Multiple PDF Files Free? I.
This article recommends two ways to combine & join PDF files.
