international trade database

The international trade databasemethod of modifying the file suffix in Win7 When using the computer in daily life, we often need to change the format of the file, such as modifying the picture format, compressing the file format, etc. The basic way to change the file format is to modify the file suffix. This article will introduce how to change the file suffix in the Win7 system to make it easier for you to convert file formats. I. Open the "Folder Options" setting. In the Win7 system, we need to open the "Folder Options" setting to modify the file suffix. The way to open this setting is: right-click on the blank space on the computer desktop, then select the "Personalization" option, and then click "Folder Options". II. ChoiceThe "View" tab is in the "Folder Options" interface that opens. We need to select the "View" tab. In this tab, we can find the option "Hide extensions of known file types" and uncheck it. In this way, we can see the suffixes of all files. III. Modify the file suffix to open the folder where the file you want to modify is located, then select the file to modify the suffix name, right-click the file, select the "Rename" option, and change the suffix of the file name to the required suffix name to achieve the purpose of modifying the suffix. It should be noted that when modifying the suffix name, it is necessary to ensure that the new suffix name is legal. If the new suffix name is illegal, it cannot take effect. In addition, if the file cannot be opened after modifying the suffix name, it is likely that the file type does not match due to the modification of the suffix name. At this time, the suffix name needs to be changed back to the original suffix name.If you are not sure what kind of suffix name to modify, it is better to keep the original suffix name or use professional software to convert the file format. IV. Use CMD to modify the file suffix. In addition to using the folder option to modify, we can also use the command line tool CMD to modify it. The specific operation method is: 1. Press the Win+R combination key to open the running window, enter "cmd" and press the Enter key. Two. In the pop-up command line window, enter "ren file name. Old suffix name New file name. New suffix name", in which "file name. The old suffix name" is the file name to be modified, and the new file name. The new suffix name" is the file name to be modified. 3. Press the Enter key to execute the command. After the command is successfully executed, the file suffix name should have been successfully modified. To sum up, in the Win7 system, file suffixes can be modified using folder options, command lines and other methods.However, when modifying the suffix name, it is necessary to make sure that the new suffix name is legal, and it is necessary to pay attention to whether modifying the suffix name will lead to a mismatch of file types. Only by choosing the right method correctly can it be easier to convert file formats.

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