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In the search box on the taskbar, type file explorer, and in the search results, select File Explorer. Open Windows Explorer, create a new folder and copy files that will be renamed to it.
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#CHANGE FILE EXTENSION WINDOWS 10 HOW TO#
If you don’t see file name extensions when you view files in File Explorer: Use Windows command line to change file extension of multiple files The easiest way how to change file extensions of multiple files without other software is to use command line. To learn more about how to change which program will open a file, read Change default programs in Windows 10. You can change a file name extension, but that won't convert the file to another format or change anything else about it except the file name. Most file name extensions are compatible with more than one program that you have installed. For example, the docx extension tells your computer that Microsoft Word can open the file and to display a Word icon when you view it in File Explorer.
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To do that, search for Command Prompt in the Start menu, right-click on the result and select Run as administrator. In expenses.xlsx, for example, the first part of the file name is expenses and the extension is xlsx.Įxtensions tell your computer which application created or can open the file and which icon to use for the file. Using a registry command, you can show file extensions in Windows 10. Windows file names have two parts separated by a period: first, the file name, and second, a three- or four-character extension that defines the file type.