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.

Cyber-attackers frequently trick users into opening PDF files containing malicious code. Once opened, the code triggers security flaws in Adobe Reader and Acrobat and compromises the victim's entire ...

The Portable Document Format makes it possible for you to open and view documents, no matter what operating system, software or computer you have. To make this happen in Yahoo Mail, the email program ...

Whether you're signing an I-9 document for a human resources, sharing workout tips with your best friend, or putting together documentation for a patent application, it's terrifically important that ...

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

Not sure what an AI file is or how to open one? We explain why designers use this format, where it comes from, and the best ...

to help you make better buying decisions and get more from technology. Knowing how to combine multiple PDFs into a single file is easy and can make you more productive. You don't want to inflict a ...

Do you have multiple PDFs you need to merge into one? Making one PDF out of many is easier than you might think on both Windows PCs and Macs. Here's how to do it on each platform. Our team tests, ...