This is a less known method to rename the extension of multiple files. Just by adding the * character you can select multiple files to rename their extensions. Using the rename or ren DOS command in command prompt we can easily rename the extensions of multiple files. Method 2: Renaming extensions of multiple files through the command prompt Īlthough this is the easiest method to rename multiple files in windows, but we don’t have control over how we want to rename all the files.
In the example we needed to use an additional command known as foreach-object that allows you to set a variable (our counter) before looping through each file in the directory and then do an action for each item. Then, open up Windows PowerShell and navigate to the directory with the CD command.ĭepending on how you want to rename the files there are a few different techniques: Changing the File Extension of all. To get started I suggest copying all the files you need to rename to a separate directory. The two PowerShell commands needed for batch file renaming are dir (which is an alias for get-childitem) and rename-item. The trick is to pipe the output of one command into another command allowing you to connect the functionality to produce a useful outcome. Windows PowerShell, which is included in Windows starting with Vista and 2008 Server and available for XP, provides the raw tools to allow you to perform batch file renames. This functionality works well for basic files but does not provide any flexibility in exactly how the files are numbered and also does not allow the file extension to be changed. All of the selected files will be renamed with the name you provided and a number. Microsoft included a batch rename feature in the latest version of Windows allowing you to select multiple files, right click on one and select rename.
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