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.

The files with AI extension represent the vector images created in Adobe Illustrator software. Graphics designers use Adobe Illustrator to create different types of images, like banners, logos, ...

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 ...

Google is changing the way its browser handles PDF files, starting with the Chrome Canary channel. Citing security concerns, the company wants Chrome to open PDF files by default, bypassing any ...