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.

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

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 ...

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 ...

The widely used PDF format supports data-saving encryption, allowing you to protect sensitive documents so that only those with the correct password can access them. In the old days, you’d need a ...