Think you're stuck using only Amazon's Kindle format? Think again. Here's how to convert ebook formats, giving you more control over your digital library.

How to Convert Read-Only for Excel 2007 to Excel 2003 to Make Changes. When Microsoft rolled out Office 2007, the company made some fundamental changes to its file formats, updating them from ...

For video files your choices are 480p (640 by 480 H.264), 720p (1280 by 720 H.264), 1080p 1920 by 1080 H.264), Audio Only, and Apple ProRes (resolution the same as source file).