<doc>
	<legacy_id>106</legacy_id>
	<term>extension</term>
	<definition><p>One or more <keyword tag="characters">characters</keyword> following a period at the end of a file name, that indicate what type of <keyword tag="file">file</keyword> it is.</p>
<p></p>
<p><glossary tag="Windows">Windows systems</glossary> determine which application owns a <keyword tag="file">file</keyword> based on the <glossary tag="file">file's</glossary> extension. <glossary tag="OS X">OS X systems</glossary> determine a file's type based on its extension.</p></definition>
	<categories>
	 	<category>Files, Folders, &amp; Resources</category>
	</categories>
	<synonyms>
	 	<synonym>file extension</synonym>
	 	<synonym>file extensions</synonym>
	 	<synonym>file extension's</synonym>
	 	<synonym>file extensions'</synonym>
	 	<synonym>extensions</synonym>
	 	<synonym>extension's</synonym>
	 	<synonym>extensions'</synonym>
	 	<synonym>extension</synonym>
	</synonyms>
</doc>