Combine PDF files in Adobe Photoshop

Combining PDF files in Adobe Photoshop is much easier. You can combine PDF files through the PDF Presentation option in Photoshop. I'll show you how to combine PDF's in Photoshop.
Step 1
Here are the PDF files I'm going to combine in Adobe Photoshop.

PDF Files

At fist, Open Adobe Photoshop. Choose File → Automate → PDF Presentation.

Choose File → Automate → PDF Presentation

Step 2
Click on Browse. 

Click on Browse

Select all PDF files you want to combine and click Open.

Click Open

Step 3
Make sure you've chosen Multi-Page Document as output option.

Choose Multi-Page Document as output option

Then click Save.

Click Save

Step 4
Choose your desired quality of PDF from Adobe PDF Preset. 

Choose quality of PDF from Adobe PDF Preset

Step 5
Choose Compatibility with Adobe Acrobat and click Save PDF.

Choose Compatibility and click Save PDF

Step 5
Give a name to your new PDF file and click Save. 

Give a name to PDF file and save

 That's all..! You can open your PDF file in a PDF reader and determine how is it.

 Hope you understand this tutorial.