On RASTER DATASET NAME WITH EXTENSION, we may put any extension as follow
namafile.bil—ESRI BIL
namafile.bip—ESRI BIP
namafile.bmp—BMP
namafile.bsq—ESRI BSQ
namafile.dat—ENVI DAT
namafile.gif—GIF
namafile.img—ERDAS IMAGINE file
namafile.jpg—JPEG
namafile.jp2—JPEG 2000
namafile.png—PNG
namafile.tif—TIFF
namafile (tanpa ekstensi) —ESRI GRID (as shown in the example above (Step 12)
Wait until the process done completely. ArcGIS version 10 run processes on background. Sometimes we don’t know whether the tool has been completed or not. Just wait until the following popup arise at the right-bottom corner

Here is the output we wanted.

DONE