Can't Open PDF on Mac El Capitan? Here's a Solution

People expectantly upgrade to the latest Mac OS X 10.11 to find that some functions like Preview are not functioning as they should with bugs creeping up every now and then with PDFs. Some basic issues experienced by users include:

Users upgrading from MacBook Pro to El Capitan (10.11) experienced issues with Preview. The app is unable to open PDFs and loads Safari as the default app.
An upgrade from MacBook Air to 10.11 is likely to produce issues with fonts when Preview is used to render PDF files. Making changes in preferences like "use LCD font smoothing when available" do not resolve the problem.

It is quite clear the powerful operating system needs newly released apps and must compatible with industry standard technical specs to work seamlessly and without problems until all upgrade issues are addressed by the company. But from here you can fix the "Can't Open PDF on Mac OS X El Capitan" issue right now.

Part 1. Best PDF Software for Mac OS X 10.11
Part 2. How to Open and Edit PDF on Mac OS X 10.11

Part 1The Tool You Need for Opening and Editing PDF on Mac OS X El Capitan

A time-tested solution to work with PDFs within a Mac environment is Wondershare PDFelement. Some of the most powerful editing features are loaded into the program, making it a complete tool capable of resolving every possible PDF issue including compatibility issues related to the 10.11 upgrade.

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With PDFelement, you can view, create, sign, edit, convert, and worked with scanned PDF files. It has everything to ensure working with PDF file is never a bother again. Right from the industry standard optical recognition plug-in for scanned files to bates numbering for single or multiple media file indexing, you have access to a secure password-protected PDF environment. Sign with encrypted images. Convert or create PDFs from or into many popular formats.

Part 2How to Open and Edit a PDF on Mac OS X 10.11 El Capitan

Step 1. How to Open and Read a PDF

Launch PDFelement on your Mac and then click on "Open File" to add your PDF to the program. Your PDF will be instantly opened in the program. Then you can use the options under "View" tab to read the content in a preferred mode.

Step 2. How to Edit PDFs

Click the "Edit" button on the top toolbar and then click the text and image on your PDF for modifying. To insert new text and image, you can click the "Add Text" or "Add Image" button on the submenu. Double click the target image, you can also get the options for cropping, extracting and replacing.

For editing pages, you can go to the right side Pages menu. Here you can rotate pages by certain degrees, extract or split pages from PDF, delete or add pages, and crop pages to adjust aspect ratio with simple commands.

Step 3. How to Annotate PDFs

You can comment on a PDF with so many different options. Begin with the "Markup" command (locate on the top toolbar) and choose one of several options including:

Select Stamps, and load one of the three default stamps or create a custom stamp.
Click Sticky Note/Callout/Text Box/Comment Box and click anywhere within the PDF to remark the content.
Different shapes like arrows and lines can be used as annotations. Click Highlight and use the cursor to cover text to be highlighted.

Step 4. How to Save PDFs

The simplest way is to click "File > Save". The keyboard command is "CTRL + S".
To save a copy, use the command "File > Save as".
You can also use "File > Attach to Email" or "File > Dropbox" option to share as an email attachment or upload it to your Dropbox.
To save PDF as an image, you can select "Export as Single Image".

Useful Tips While Working with PDF on Mac OS X 10.11

Use the Mission Control View on the Mac to work with easily identifiable minimized windows that do not overlap like in earlier Mac versions.
Split View offers full page view of two functional apps you can work on at the same time.
Type in conversational language using the Natural-Language Spotlight function to search for files.
Add visible shortcuts to applications like Facebook by pinning them on to the menu bar.
Add maps, PDFs, and URLs to Notes and share them through the Wondershare PDFelement Mac OS X system.