The simplest way to mass-rename a group of files is to select them all at once in File Explorer and apply a base name to ...

Before proceeding, back up all your files or folders you want to rename. All the methods explained below apply to both files and folders. 1] Adding text to the beginning of a file or a folder name ...

This doesn't give you many options, but if all you want is to rename a bunch of files to be in a standardized format, then ...

When you do this, you will see that all the files in the folder will get an extension of .jpg. Related: How to rename all File Extensions in a Folder at once in Windows Now the next thing you want ...