Lets you select different file formats when you select AVI from the Output Format in the Render window.
Video Compression window
The Video Compression window contains a menu with Compression types have hardware/operating system dependencies.
A Compression Quality slider appears when you use certain output formats.
Use this slider to adjust the amount of compression used when the file is output to this format, with 100 being maximum compression and minimum image quality, and 0 being minimum compression and maximum image quality.
The Configure button is activated when you select certain compression formats.
Click Configure to display a Configuration window. Depending on the compression standard used, the Configure window shows different settings related to the compression format. For further information, consult the documentation that accompanies the compression format.