如果您想preview files in Windows 11/10，那么这篇文章可以提供帮助。我们为您介绍了一些不错的免费应用程序来执行此操作。您无需打开文件即可检查其内容。只需(Just)使用应用程序提供的热键或界面，您就可以看到文件预览。这些应用程序支持多种文件格式，如PDF、TXT等。一些应用程序还有助于预览视频文件(preview video files)。
尽管Windows 11/10还在文件资源管理器中提供了一个预览窗格(preview pane in File Explorer)来预览选定的文件，但这些应用程序似乎是一个更好的选择。
(Preview)Windows 11/10预览文件而不打开它们
这篇文章包含四个免费的Microsoft Store应用程序和免费的桌面软件，可让您在不打开文件的情况下预览文件。这些都是：
- 快速浏览
- 文件查看器加
- 一名指挥官
- 先知。
让我们一一检查这些选项。
1]快速查看
QuickLook 应用程序是无需在(QuickLook app)Windows 10中打开文件即可预览文件的最佳选项之一。它的工作原理类似于 macOS 的快速查看(Quick Look)功能。这个Microsoft Store应用程序有一些非常有趣的功能。它可以让您预览图像、文档和媒体文件。此外，只需一个热键即可预览文件的内容。该应用程序没有界面。只有预览窗口可见。
您还可以将预览窗口扩大到全尺寸。除此之外，它还可以让您将预览窗口保持在其他打开的应用程序之上。对于图像文件，它还提供EXIF数据。
安装此应用程序后，只需选择要预览的文件，然后按空格(Spacebar)键即可。就是这样！预览窗口将立即打开以查看文件内容。
2]文件查看器加
File Viewer Plus（免费版）是一个方便的应用程序，可以查看常见格式的文件以及预览文件而无需打开它。它提供了自己的文件浏览器，可让您访问 PC 上的文件。此应用程序还支持标签查看模式，以便您可以通过双击打开不同的文件，在单个界面上的单独标签中查看它们。
抓住这个应用程序(Grab this app)并安装它。启动应用程序并选择浏览文件(Browse Files)选项。这将激活其文件浏览器(File Browser)模式。现在，您可以使用导航窗格浏览文件夹并选择要预览的任何文件。
之后，文件预览将显示在右窗格中。您还可以将“预览(Preview)”窗格展开到左侧，以大尺寸模式预览文件。还提供放大(Zoom)和缩小选项以清楚地查看文件预览。
除此之外，此应用程序还提供其他基本功能，如显示文件扩展名、隐藏项目、更改缩略图大小等。
3] 一名指挥官
One Commander是一款功能丰富的文件管理(File Manager)应用，也是一款不错的文件管理软件(File Manager software)。如果需要，您还可以下载其安装程序或便携式版本。此应用还可用于预览PDF、TXT和其他文件。只需一个键即可激活预览模式。最好的部分是还支持视频预览。(video preview)
它带有双窗格视图模式(dual-pane view mode)和列模式(columns mode)布局，使浏览文件和文件夹变得非常容易。与File Viewer Plus应用程序一样，它也支持选项卡式界面，以便您可以在不同的选项卡中打开文件和文件夹。
启动应用程序，然后选择布局。之后，您将能够浏览您的文件和文件夹。选择一个文件，然后按空格(spacebar)键。您将看到文件预览在右侧可见。
阅读(Read)：如何在资源管理器中预览 EML 文件(How to Preview EML files in Explorer)。
4]先知
Seer （免费版）软件的工作方式与(Seer)QuickLook应用程序类似。它没有自己的界面。只有所选文件的预览窗口可见。它支持用于预览的文档、图像和视频文件。还可以使用预览窗口查看文件信息，该窗口将显示文件名、创建日期、高度和宽度等信息。
获取此工具(Get this tool)并安装它。当您启动该软件时，它将开始在后台运行并准备好为您服务。访问任何文件夹并选择一个文件。按空格(spacebar)键，文件预览将可见。
您还可以根据需要调整预览窗口的大小。要关闭此工具，只需右键单击其系统托盘图标，然后使用退出(Quit)选项。
希望(Hope)您喜欢这些选项来预览文件，而无需在Windows 11/10中打开它们。
How to Preview files in Windows 11/10 using these free apps
If you want to preview files in Windows 11/10, then this post can help. We have covered some good and free apps for you to do this. You won’t have to open a file to check its content. Just use the hotkey or interface provided by the app and file preview will be visible to you. These apps support many file formats like PDF, TXT, etc. Some apps are also helpful to preview video files.
Though Windows 11/10 also provides a preview pane in File Explorer to preview a selected file, these apps seem to be a better option.
Preview files in Windows 11/10 without opening them
This post contains four free Microsoft Store apps and free desktop software that let you preview files without opening them. These are:
- QuickLook
- File Viewer Plus
- One Commander
- Seer.
Let’s check these options one by one.
1] QuickLook
QuickLook app is one of the best options to preview files without opening them in Windows 10. It works similar to the Quick Look feature of macOS. This Microsoft Store app has some really interesting features. It lets you preview images, documents, and media files. Also, just a hotkey is needed to preview the content of a file. There is no interface for the app. Only a preview window is visible.
You can also expand the preview window to full size. Apart from that, it lets you keep the preview window on top of the other opened applications. For image files, it also provides the EXIF data.
After installing this app, just select some file that you want to preview, and press the Spacebar key. That’s it! The preview window will open immediately to view the file content.
2] File Viewer Plus
File Viewer Plus (free version) is a handy app to view common format files as well as preview a file without opening it. It provides its own file browser that lets you access files present on your PC. This app also supports tab view mode so that you can open different files by double-clicking to view them in separate tabs on a single interface.
Grab this app and install it. Launch the app and select Browse Files option. This will activate its File Browser mode. Now you can explore folders using the navigation pane and select any file that you want to preview.
After that, the file preview will visible on the right pane. You can also expand the Preview pane to the left side to preview the file in large size mode. Zoom in and zoom out options are also present to clearly see the file preview.
In addition to that, this app also provides other basic features like show file extension, hidden items, change thumbnail size, etc.
3] One Commander
One Commander is a feature-rich File Manager app and it is also a good File Manager software. If you want, you can also download its installer or portable version. This app can also be used to preview PDF, TXT, and other files. Just a single key is needed to activate preview mode. The best part is that the video preview is also supported.
It comes with dual-pane view mode and columns mode layouts that make it very easy to explore files and folders. Like the File Viewer Plus app, it also supports a tabbed interface so that you can open files and folders in different tabs.
Launch the app and then select a layout. After that, you will be able to explore your files and folders. Select a file and then press the spacebar key. You will see that file preview is visible on the right-part.
Read: How to Preview EML files in Explorer.
4] Seer
Seer (free version) software works similarly to the QuickLook app. It doesn’t have its own interface. Only a preview window for the selected file is visible. It supports documents, images, and video files for preview. File information can also be seen using the preview window that will show information like file name, creation date, height & width, etc.
Get this tool and install it. When you will launch the software, it will start running in the background and will be ready to serve you. Access any folder and select a file. Press the spacebar key and the file preview will visible.
You can also adjust the size of the preview window as per your needs. To close this tool, simply right-click on its system tray icon, and use the Quit option.
Hope you like these options to preview files without opening them in Windows 11/10.
