How to Combine PDFs

The Easiest Way to Combine PDFs in Mac OS X

Instead of attaching several PDFs to an email, try combining the individual files into one single PDF. If you've got a Mac, merging multiple documents is built right into Preview, Mac OS X's default image and PDF viewer. Don't bother with third-party software — if you've got Mac OS X 10.6 and up, just follow these simple steps to combine as many e-documents as you need.

Start
1. Show Thumbnails in Sidebar

Open all the PDF documents you'd like to merge in Preview. Start combining PDFs by expanding the thumbnail viewer. In the top left, click on the Sidebar button and select Thumbnails.

You can also select View > Sidebar > Show Sidebar from the top menu bar.

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2. Expand Thumbnail Sidebar in Other PDFs

Repeat the same action (show thumbnails) in the other PDFs you have open.

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3. Drag and Drop Thumbnail

To combine the documents, select the thumbnail of the desired source PDF page, then drag and drop it over the thumbnail of the PDF document destination.

Your source PDF page will be copied and combined into the destination PDF document.

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4. Your Documents Are Now Combined

This is how the combined documents will appear in the Thumbnail Sidebar.

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5. Rearrange Document Order

To change the page order of the documents, drag and drop the thumbnails in the sidebar.

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6. Save the Document

Save the new combined document by hitting command + S or going to the menu bar and selecting File > Save. Check your work by heading to the desktop and clicking on the new PDF's icon. If arrows appear, then your documents have been successfully combined. Huzzah!

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