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<p>[QUOTE=&quot;User 67, post: 8084, member: 67&quot;]You don&#039;t need to know much, here is all you need to know:</p><p><br /></p><p>An .rtf file (<a href="http://en.wikipedia.org/wiki/Rich_Text_Format" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://en.wikipedia.org/wiki/Rich_Text_Format" rel="nofollow">Rich Text Format</a>) is a simple form of text file. Many programs produce .rtf files when you write, the most famous might be WordPad. But I wrote .rtf, because you may have a favorite word processing program you use. It doesn&#039;t really matter which one you chose, or what kind of file it produces, it&#039;s just that .rtf files can be read across many platforms, like pc and apple.</p><p><br /></p><p>A .png file (<a href="http://en.wikipedia.org/wiki/Portable_Network_Graphics" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://en.wikipedia.org/wiki/Portable_Network_Graphics" rel="nofollow">Portable Network Graphics</a>) is like a .jpg file (<a href="http://en.wikipedia.org/wiki/Jpeg" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://en.wikipedia.org/wiki/Jpeg" rel="nofollow">JPEG</a>). You will notice that the majority of images or photos on your computer are .jpg files (the name ends in .jpg) This form of image file is &#039;compressed&#039; and deteriorates with each usage or transfer from one computer or program to the next. We have all seen the <a href="http://en.wikipedia.org/wiki/Pixelation" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://en.wikipedia.org/wiki/Pixelation" rel="nofollow">pixelation</a>, or fuzzy square dots that some images have around the edges of text or parts of the image. This is the deterioration showing.</p><p><br /></p><p>A png file, is an image file that is called lossless. There is no deterioration between uses. There are many lossless files, I choose this one as an example because it is used across many platforms and programs.</p><p><br /></p><p>Hope that explains it.[/QUOTE]</p><p><br /></p>

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