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      <title>.prt Files</title>
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      <div class="title_topic3" id="xps10_pagetitle">.prt Files</div>
      <hr noshade="true"><a name="ndxgenid_roadmap171"></a><a name="ndxgenid_roadmap172"></a><p class="para_topic"><img align="bottom" src="graphics/commandref/ideas_rule.gif" border="0"></p>
      <p class="para_topic"> I-deas stores assemblies, parts, and drawings in the library using separate file types for each.</p>
      <p align="center"><img align="bottom" src="graphics/intro/prt_ideas.gif"></p>
      <p class="para_topic"><img align="bottom" src="graphics/commandref/nx_rule.gif" border="0"></p>
      <p class="para_topic">In NX, one common file type is used to store assembly, model geometry, and drawings. This file has the extension .prt and is commonly referred to as a &ldquo;part&rdquo; file.</p>
      <p align="center"><img align="bottom" src="graphics/intro/prt_nx.gif"></p>
      <p class="para_topic">Although a .prt file can store assembly, model, and drawings data in the same file, in most cases, you will only store one part, one assembly hierarchy level, or one drawing (with multiple sheets) in a .prt file.</p><a name="ndxgenid_roadmap173"></a><a name="ndxgenid_roadmap174"></a><a name="ndxgenid_roadmap175"></a><p class="para_topic">To create a .prt file, use the <b class="uiTerm">New</b> command. Using native mode, you will directly enter a file name used by the operating system. Using Teamcenter, the part file is created by the data management system.
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      <p align="center"><img align="bottom" src="graphics/icons/createpart.gif"></p>
      <p class="para_topic">When a .prt file is open:</p>
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            <p class="para_item">The graphics window background color is displayed.</p>
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            <p class="para_item">Toolbars become available.</p>
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            <p class="para_item">The <b class="uiTerm">Start</b> button is available to change applications, for example to switch to the <b class="uiTerm">Modeling</b> application. Depending on the application in which the file was saved, the software may automatically switch to that application.
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                  <p class="para_note_body">Units are stored with each .prt file.</p>
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