.RTファイル拡張子
.RTファイルを開くには？
Rich Text Documet
| Ads | OS | Software |
|---|---|---|
| WINDOWS |
 NotePad++ text editor |
|
| MAC |
 TextEdit |
|
| Linux |
 gedit |
RealText Subtitle
| OS | Software |
|---|---|
| WINDOWS |
 KMPlayer  RealPlayer  VLC media player |
| Android |
 VLC media player for Android |