How to change a file extension the easy way

How to change file extension

It is convenient to change the extension in the standard Windows Explorer. To start it, just press the Win key and, without releasing it, press the "U" (Latin "E") key. Then you need to go to the folder that contains the file of interest. By default, Explorer does not display extensions.of fileswhich he can identify and assign to any application. But in this case, we need to see the file extension, so you should activate the corresponding option in the settings. To do this, click the “Tools” section in the menu and select the “Folder options ...” item in it. In the opened window, go to the "View" tab and almost at the very bottom of the "Advanced Options" list, uncheck the "Hide extensions for registered typesof files". If the file we are interested in is a system file, then here you should uncheck the item “Hide protected system files” and put a check mark on the item “Show hidden files and folders”.It remains to click "OK" to fix the changes.
Enable file extension display
Well, now let's do what, in fact, we have come to this folder - we will edit the extension of the file of interest. That is, right-click the file, select the "Rename" item and change the extension to the one we need. The explorer will show a window asking you to confirm this operation, where you need to click "Yes". If you cannot change the extension of this file for some reason, the explorer will show the corresponding message. The reasons for the failure can be several. One of them is protected from editing. This obstacle is eliminated by changing the corresponding attribute: again, right-click the file and in the menu select the lower item “Properties”. In the opened file properties window, on the “General” tab, uncheck the “Read Only” attribute. Pressing “OK”, we will try again to change the file extension.
Change file attributes
Another reason for the inability to edit the file name is that at this moment some of the programs are working with the file. In the case of an application program, simply close it. But if some of the components of the operating system are working with the file, then to change its extension, you may need to start Windows in protected mode and do the whole procedure there.

Video: How to Change File Extensions in Windows 10 - Easy and Simple

Change Multiple File Extensions in Command Prompt
How to change file extension

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