![]() ![]() The text output of the find command is sent to nul, essentially a black hole - we don't want it. The whole current list if sent through a find command, to ensure uniqueness. %%~xi extracts the extension out of the full paths the dir command returns.Īn empty extension is replaced with "FileWithNoExtension", so you know there is such a file - if I added an empty line instead, it's not quite as obvious. The loop uses that dir /b /s /a:-d "%target%" command, grabbing a list of all files in all subdirectories under the target. Oh, and the %~1 means "get the first argument, removing quotes" which prevents doubled-up quotes - see for /?. line just sets things up: it gets the target directory to search, enables delayed expansion which lets me do update variables in the loop and defines a newline ( LF) that I can use for neater output. If you want to export to a file, use batchfile >filename.txt (or batchfile "path" >filename.txt). bat file, and run it with the command batchfile (substitute whatever you named it) to list the current directory, or specify a path with batchfile "path". If not !ERRORLEVEL! = 0 set extlist=!extlist!!ext!: If "!ext!"="" set ext=FileWithNoExtension Make sure you show the file extensions in Windows 11 so you know which file you open.Rem Previous two lines deliberately left blank for LF to work.įor /f "tokens=*" %%i in ('dir /b /s /a:-d "%target%"') do ( Options that are often used are now easily accessible from the View menu. The new design of the Explorer in Windows 11 looks really nice. You will need to change the HideFileExt key to 0 to show the file extensions in Windows 11. The registry key is located in: Computer\HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced Registry keys allow you to easily deploy settings to multiple computers at once with a PowerShell script or Group Policy. If you need to enable the file extensions on multiple computers you may want to use the registry item to enable or disable it. Enabling file extensions through the registry in Windows 11 The file icon may give you a hint, but the file extensions are easier to see sometimes. You might have a Word and PDF version of the same file, or PNG, JPG, or PSD version of an image. When you have file extensions enabled in Windows 11, you can easily recognize the extensions and make sure you open the correct file and not a malware item.īesides from a security standpoint, it’s also more convenient when you are looking for the right file. But when it’s malware or virus it might have. If you, for example, download a PDF document from the internet, then it should have. ![]() Most people don’t know the extensions, so Microsoft doesn’t show them by default.īut you should really pay attention to them, file extensions show you what kind of file you are about to open. The file extension determines which program Windows 11 uses to open the file. Showing file extensions is really important from a security standpoint. You can also use the old folder options, which you can find under the 3-dots (show more) next to View in the explorer. That is all you need to do to show the extensions in Win 11. Open the Explorer (Windows key + E or from the taskbar).By default, they are not displayed, but in Windows 11 you can easily show file extensions from the new View menu. File extensions help you with identifying files. In Windows 11 showing file extensions had been relocated in the new Explorer design. ![]()
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