What is RM?
According to Wikipedia, RM is a proprietary multimedia container format created by RealNetworks. Its extension is ".rm". It is typically used in conjunction with RealVideo and RealAudio and is used for streaming content over the Internet.
To convert other video formats to RM, you will need AVS Video Converter in addition to your video software. The ASF to RM Converter is an ideal tool , which can not only convert ASF to RM, also can convert ASF files to AVI, MP4, FLV, WMV, etc.
Download the versatile ASF to RM Converter for free, and have a trial.
Step 1: Add files
When the installation task is finished, just click "Browse..." button to import ASF format files into ASF to RM Converter.

Step 2: Customize the output
Press the "To RM" button to determine RM as the output format, click "Browse..." to find a location to save the converted files.

Step 3: Start the conversion
The last step is also the easiest step, it just need you to click "Convert Now!" button to start converting ASF to RM.
Besides that above mentioned, with ASF to RM Converter, you also can personalize output files from the video you want to convert. Moreover it is a powerful Video Converter can convert between some common video/audio format smoothly.
Related Links: Convert ASF to MOV, Convert ASF to MPEG, Convert ASF to WMV