Q: Sometimes when I try to open a file or e-mail I get the message: "The selected file has an extension (PDF) that is not recognized by Windows Media Player but the player may be able to play it.

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 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 ...

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, ...

Android users can currently open PDFs on Google Chrome for desktop using the Chrome PDF Viewer plug-in, while the mobile version redirects to the Google Drive PDF viewer or requires the Google PDF ...

Q: I have a problem with my Adobe Acrobat program. I do genealogy, and the northern New York library system has more than 2.5 million pages of old newspapers stored electronically on its system.

In Office 2013, Microsoft was compelled to support the true ODF format as well as the PDF format. Here's how open source won In a blog post earlier this week, Microsoft’s manager for Office standards ...