You can use File Explorer for different purposes, like viewing your files, changing the names of your files, deleting your files, etc. You can also make it display file name extensions.

Windows gives a warning stating – There is already a file with the same name as the folder name you specified. Because of this, you may fail to create a file or name it correctly. In this post ...

and you can generate different folders extracting the names from a text file. You can leverage PowerShell in many ways to create multiple folder at once, and here are three ways to complete this task.