There are dozens of file formats for word processing documents, database files, graphics, spreadsheets and so on. If a file was created in one application and you want to use it in another, you can ...

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 ...