Short Bytes: You can’t create folders in Windows OS having CON, PRN, NUL, etc. as the name. This is because these folder names are reserved for use in specific system tasks. You can use the command prompt, or blank space code to create folders with reserved names in Windows. In Microsoft Windows operating system, you can’t create folders that have their name from one of these words: CON, PRN, AUX, NUL, COM1, COM2, COM3, COM4, COM5, COM6, COM7, COM8, COM9, LPT1, LPT2, LPT3, LPT4, LPT5, LPT6, LPT7,Continue readingWindows Doesn’t Allow You To Create Folder Named ‘CON’, PRN, NUL, etc.