[Foreigner]

Eugene Shugaev, С проверкой на наличие в конечной папке:

Код:

@echo off
setlocal

pushd "%userprofile%\desktop" || goto:eof

for /f "tokens=*" %%i in ('dir /b /a-d-h-s') do call:move "%%i"

popd
goto:eof

:move
set "file=%~n1"
2>nul md "files%~x1"

:check
set /a cnt+=1

if not exist "files%~x1\%file%%~x1" (

    copy %1 "files%~x1\%file%%~x1"

) else (

    set "file=%~n1_%cnt%"
    goto:check

)

set "cnt="