✔ 最佳答案
RealPlayer 是播放器, rm 及 mp4 等是格式.
因此, 你意思應是指將 rm 轉為 mp4?
可用一些免費軟件來轉換格式的, 例如:
Any Video Converter 2.71
Any Video Converter is an all-in-one video converting freeware with easy-to-use graphical interface, fast converting speed, and excellent video quality. It can convert almost all video formats including DivX, XviD, MOV, RM, RMVB, MPEG, VOB, DVD, WMV, and AVI to MPEG-4 movie format ...
http://www.download.com/Any-Video-Converter/3000-2194_4-10661456.html