Microsoft uses file associations to set default programs for opening different file types on all its operating systems. As a result, when you open a file, be it text, image, or document, on your ...

The Amazon Kindle supports three main document types: Kindle (.AZW, .AZW1), Text (.TXT) and Unprotected Mobipocket (.MOBI, .PRC). Second-generation Kindles also have a built-in PDF reader and support ...