HS code-based negotiation with customs

Windows 7 file suffix processing skills Windows 7 is HS code-based negotiation with customsa popular operating system, but in daily use, we often encounter the situation of not being able to open the file. Moreover. This is often caused by the incorrect suffix name of the file or the system does not support the format. In this article, we will introduce how to deal with Win7 file suffixes, so that you can easily open files in various formats.1. Display the file suffix name. By default, Windows 7 hides the suffix name of the file, which makes it impossible for us to determine the true format of the file. In order to display the suffix name of the file, you need to open the file explorer first. Then click the "Organization" menu and select "File and Folder Options". Then switch to the "View" tab, find the "Hide extensions of known file types" option in "Advanced Settings", uncheck the option, and then click "OK" to save the settings. Two. Modify the file suffix name If you want to convert a file from one format to another, or need to manually modify the file suffix name to open the file, you can use the following methods: 1. Open File Explorer and find the file you want to modify the suffix name; 2.Right-click on the file, select the "Rename" menu item or select the file name directly and click; 3. The cursor will become editable, and the suffix name of the file name can be modified. For example, change the .mp4 file to a .avi file; 4. Press the "En" key to save the changes. 3. Use the built-in tools of the Win7 system to open the file. Sometimes when we use other software to open the file, it will prompt "No program found that can open the file". At this time, we can use the tools that come with the Win7 system to open the file: 1. Open the file explorer and find the file you want to open; 2. Right-click on the file and select "Open Mode"; 3. If we want to choose an opening method from the pre-installed program of the system, we just need to click "Select a program from the list to open this file", and then select the desired opening program;Four. If we know which program to use to open the file, you can click "Browse" to find the directory where the program is located, and then select the program to open the file. Four. Use professional tools to open files. Some file formats cannot be opened directly in Win7 system, and need to be opened with professional tools. For example, video formats such as .flv and .rm are not supported by Win7 itself. At this time, we need to use third-party applications or plug-ins to open these files. For audio files, we can use professional audio players such as iTunes or Winamp. For video files, you can use video players such as VLC, RealPlayer or KMPlayer. 5. To sum up, in Win7, processing file suffix names is a basic operation.Properly displaying, modifying and using file suffix names can help us open files more conveniently. In addition to the tools that come with Win7, we can also use professional software to process some special format files, so as to better experience the functions of the computer.

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