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.

When you double-click on a file in Windows 8, Windows will automatically open that file using a program that has been associated with that file's extension. There may come a time, though, that you ...

If you're on the hunt for a lightweight, open-source PDF app with a strong developer backing and perfect for navigating ...

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 ...

File Association Fixer for Windows 8, Windows 7 & Windows Vista will let you repair and fix file associations and extensions in a single click. UPDATE: File Association Fixer v2 supports Windows 10, ...

PDFs were designed to be a universal, easy-to-read document format, and they serve that purpose well. If you have a collection of images—say, documents you scanned into your computer as JPEGs—you can ...