Adobe's portable document format (PDF) has become a standard for exchanging and distributing documents. PDF files look like the original document would look if it were printed, and can be read on ...

Adobe Acrobat Reader is many users’ favorite PDF reader, and it’s been around for many years. ... Use it to update your existing PDF reader and try to open the file again.

More than 18 billion PDF files are stored on Dropbox, Perera wrote. Once you’ve updated to the latest version of Acrobat Reader for Android, you’ll need to connect it to your Dropbox account.

Adobe Reader X adds Protected Mode, a sandboxing security control, ... Adobe Reader X Makes PDF Files Safer. Security Alert By Tony Bradley, Nov 19, 2010 6:26 am PST.

In the case of the open-source PDFium, Adobe Systems for years has given away its Adobe Reader software for viewing PDF files at no charge to users, but its higher-end Adobe Acrobat tool -- which ...

2] Check your internet connection. Adobe Acrobat DC works with both online and offline files. If you are trying to edit a PDF file from the cloud you need to have a stable internet connection.

Using our Best PDF Apps slideshow as a guide, I dived into every Adobe Reader alternative I could find. However, none of them is as good as the plain old Adobe Acrobat Reader app. (Well, maybe ...

The new version of PDF Reader can open more PDF files. To be honest we haven’t encountered an instance where PDF Reader wouldn’t open a PDF file, but then again we don’t use PDFs too much.