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Opening PDFs in Word - Microsoft Support
To open a PDF file without converting it to a Word document, open the file directly wherever it's stored (for example, double-click the PDF file in your Documents folder). However, if you want to edit the PDF file, go ahead and open it in Word.
Applies To: Word for Microsoft 365, Word 2021, Word 2019, Word 2016, Word 2013
适用于 Windows 的“阅读器”应用:常见问题解答 - Microsoft 支持
如何使 PDF、XPS 或 TIFF 文件默认在“阅读器”中打开? 如何在打开的文件之间切换? 如何并排查看两个文件? 如何打印文件? 如何在文件中转到特定页? 如何放大或缩小? 如何更改文档布局? 如何添加注释或突出显示文本? 如何复制文本? 如何保存文件? 如何关闭文件? 如何关闭“阅读器”? 可以对“阅读器”使用哪些键盘快捷方式? 获取有关“阅读器”应用的问题解答。 了解如何打开、读取、打印和共享文档。