Industry-specific HS code database

Win7 changes the suffix name (the method of changing the file suffix name in Windows 7) In the daily use of the computer,Industry-specific HS code database we often need to change the suffix name of the file. For example, we need to change a txt file to a docx file, or a JPG image to a PNG image, etc. In the Windows 7 operating system, changing the file suffix name is a relatively simple operation.This article will introduce the method of changing the suffix name in Win7 from the following aspects: 1. What is the file suffix name? Two. The method of changing the suffix name in Win7 3. Questions to pay attention to 1. What is the file suffix name? In the Windows system, the file suffix name can tell the type of the system file. For example, the .txt suffix name indicates that it is a text file, .docx indicates that it is a Microsoft Word document, .jpg or .png indicates that it is a picture, and so on. The function of the file suffix is to let the operating system know what program it uses to open or process the file. Two. How to change the suffix name in Win7 In the Win7 operating system, changing the file suffix name can be done by the following steps: Step 1: Select the file that needs to change the suffix name, right-click, and select "Rename".Step 2: Enter a new suffix name after the file name, such as .docx or .jpg, etc., and then press the "Enter" key to complete the change. It should be noted that when changing the suffix name, you must ensure that the new suffix name conforms to the file type. For example, changing the suffix name of the txt file to .exe is invalid, because the system cannot recognize this file type. In addition, some file suffix names may be hidden, and we need to set the display of hidden files in the system file options first to see them. The specific method is to select the "View" tab in the folder options, and then find the option "Hide extensions of known file types" and deselect it. 3. Issues to pay attention to Although the method of changing the suffix name in Win7 is very simple, we still need to pay attention to some details to avoid problems.The following are some issues that need attention: 1) If the file has been opened when changing the suffix name, you need to close the file first, otherwise the file suffix name change will not take effect. 2) After changing the file suffix name, we need to confirm whether the current system has configured the correct associated program, otherwise we cannot open or edit the file. For example, in order to open the .docx file, we need to install Microsoft Word or other programs that support this file format. 3) Changing the file suffix name may cause the file function to fail. For example, if we change the suffix name of the picture to a txt file, then we will not be able to open the file through the picture viewer or other programs. 4) Some files are system-protected files and cannot change the suffix name, so we need to use this function carefully.If you are not sure whether a file can change the suffix name, you'd better not try to change it. In a word, changing the suffix name in Win7 is a relatively simple operation, and you only need to follow the above method. However, during the operation process, we need to pay attention to whether the file suffix name conforms to the file type, and at the same time, we need to confirm whether the current system has configured the correct associated program. If we are not sure whether a file can change the suffix name, we'd better not try easily.

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