把文件保存成DOCX的格式可以通过另存为的方式进行实现，这里以word2010版本为例，具体的步骤如下：
1、在word2010的首页的上方点击【文件】。
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2、进入到文件的页面以后，紧接着点击【另存为】。
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3、最后在另存为的页面选择你保存的文件类型为【word文档.docx】格式并且点击【保存】按钮。
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