Windows 7: How to Rename Multiple Files at Once?
 

To rename multiple files at once in Windows 7 follow the procedure below:

1. Select files you want to rename (you can press Ctrl+A to select all files or Ctrl+Left mouse to select files of your choice)
2. Then Hit on F2 button of your keyboard. You can also do it by right clicking and select Rename from the context menu.
3. Then rename your first file and hit Enter. The following files will be renamed right after that with an extra number at the end.