Feb 10

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Combining pdf documents on an Apple computer is easy.

There are lots of websites offering software to merge PDF files, but you don’t need a third party program to do it. It’s built right in to OS X for free.

OS X comes with a free application called ‘Preview’ that will open automatically whenever you click on a pdf file. It turns out that Preview can edit and merge pdf files!

Preview app

You can merge PDF files using the built in ‘Preview’ application that comes for free with OSX.

Exactly how you do this varies depending on which version of OSX that you have. The concept is the same but the step by step pictures will look slightly different.

Please click on the version of OSX that you have to find out how to merge a pdf file:

How to merge PDF files in Mountain Lion 10.8 (2012)

How to merge PDF files in Mavericks 10.9 (2013)

How to merge PDF files in Yosemite (10.10) (2014)

How to merge PDF files in El Capitan (10.11) (2015)

For all versions of OS X prior to Mountain Lion (10.7 and earlier)  just follow the instructions below.

 

To join two or more pdf files together using Preview:

1 Open the pdf file in preview.

2. Open the thumbnail view (Shift-⌘-D)

3. Drag a second pdf ON TOP OF an existing page  thumbnail.

When you drag in step 3 it must drag to on top of the thumbnail, as in over it, not above it.

This is a bit hard to explain, the best way to grasp the concept is to look at the pictures below.

WRONG WAY: If you drag the new pdf file underneath (or above) the existing pdf they are not merged – it will only insert a thumbnail link to the pdf.

RIGHT WAY: Drag the new pdf file on top of the existing one and they will merge into one – creating one pdf document out of the two. (Notice the extra grey border compared to the left photo.)

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SUMMARY: To combine two separate PDF files into one document you need to drag the new pdf ON TOP OF an existing  thumbnail until the grey border appears – then it will merge the two pdfs together.  (You can then save the new merged pdf.) 

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.

 

If you’d like more information, read on for how to do it step by step with photos.

CONTINUE READING >

577 Responses to “How to merge two pdf files in OSX 10.6 – 10.11”

  1. Corey says:

    Thank you!! The two document thing was driving me crazy.

  2. andy kearns says:

    I can’t thank you enough! Brilliant, thanks again, Wayne.

  3. Jordan says:

    Thank You!!

  4. Silviana says:

    Thanks a lot!!! I tried countless times, succeed once and have no idea how I did it

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