How to Use Command Line to Rename All the File Extensions in a Network Folder
- 1). Open a command line window. Press the "Windows" and "R" key in combination to open the "Run" window. Type "cmd" in the run box and press "Enter."
- 2). Navigate to the network folder containing the files to be renamed.
- 3). Type "ren *.* *.old" and press "Enter." This command will replace the file extension for all files in the folder with .old.