Portable document format (PDF) files remain a popular choice for business documents ranging from contracts and forms to manuals and reports, so there's a good chance you need to open them often.

From Adobe Acrobat to free online editors and built-in tools, here’s how to merge multiple PDFs into one document.

Ubuntu's Gnome-based graphical user interface lets you open and view business documents saved in the PDF format using the Nautilus file manager and a few mouse clicks. Since Ubuntu is a Linux ...

Step-by-step instructions for creating PDFs from any file type, including methods for merging, compressing and password-protecting PDF documents securely.

Google Chrome for Android will soon finally open PDF files on its own without the need for a third-party app. You can search through PDFs or annotate them before saving them to Google Drive. This ...

To use SumatraPDF, visit the official homepage and click 'Download' at the top of the screen. Click the installer that matches your environment. This time, select the 64-bit version ...

Are you trying to open a password-protected PDF or ZIP file? Then, you already know how frustrating it can be. You try out different tools, and the result is a ...

As expected, Dropbox and Adobe are announcing today that people can now open PDF documents stored in Dropbox using the Adobe Acrobat Reader app on Android devices. This lets users of the apps sign, ...

There are times when Acrobat Reader DC fails to open a PDF file and displays the following error message: Adobe Acrobat Reader could not open PDF because it is either ...

I have an Apple iPad and want to access PDF files using iBooks. However, when I connect the iPad and open iTunes, it only shows sub menus for movies, music and tv shows. My friend has an iPad2 and ...