1、首先我们打开电脑里的proe软件进入软件主界面。
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2、然后我们找到并点击界面左上角的菜单栏里的打开图标，进行打开文件的操作。
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3、然后我们在类型中选择stp，step格式，即可对应直接打开stp格式的文件。我们找到你要打开的文件，选择右下角的打开。
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4、然后此时软件会弹出对话框，我们直接在对话框里选择确定即可。
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5、回到软件主界面我们就会发现此时已经打开了stp文件了。
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操作方法如下：
1.打开PRO-E软件，选择文件打开，将文件类型改为所有文件；
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2.选择要打开的stp文件；
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3.之后将输入新模型的类型改为零件；
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4.最后，stp文件打开成功，结果如图。
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扩展资料：
STP文件是CAD绘图软件的3D图形文件的格式（扩展名），其中包含三维对象的数据提供对产品模型数据交换的支持。
stp文件是三维模型设计文件，可以用三维建模软件打开，比如catia软件。具体步骤如下1、打开CATIA设计软件
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2、点击工具栏中的文件标签
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3、在工具栏的文件标签折叠菜单中选择打开命令
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4、在自己的本地硬盘中浏览到需要打开的stp文件进行选择
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5、打开后等待CATIA软件对stp文件进行转码,完成后即可显示文件内的三维零件图形
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