>>Hi everybody,
>>
>>Some time back after someone's advice here I installed something which was complementary to Windows Explorer - it allowed to quickly copy directories or rename multiple files at once when files had different extensions.
>
>You can rename multiple files at once in Windows Explorer by selecting the range of files, pressing F2, and renaming the highlighted one. It will keep the file extension names and just rename the first part. Note: I found this out by accident a few weeks ago. :-)
>
It still doesn't answer my question as what tool do I need to install in addition to WE. That tool allowed multiple files copy at once very quick.