At times in one's digital life, new files are acquired to replace existing ones on a 1:1 basis. I'll leave it to your imagination to think of specific situations, but I have a recurring one, and my normal tool ( Bulk Rename Utility ) didn't have a quick solution. I looked around online, but couldn't find anything I liked enough to steal, so I made my own PowerShell script. It's nothing complex or ground-breaking, but for others with the same need, it should be pretty easy to grab and use. As with any script you didn't write, do not use this in any consequential situation unless you have read through it, fully understand what it's doing, and have performed the appropriate backup tasks.   Requirements Access Requirements : -Write access to destination directory -Read access to source directory Script Language : PowerShell Version : 5.1 Input File? No Other Requirements : -PowerShell execution policy that allows unsigned local scripts -The specified folders m