你需要這樣做，也許可以解決你的問題

1. open your window explorer.

2. in the menue click on "tools"

3. choose "fold options...", now u can see a dialog window popup.

4. in the dialog window, click on "view" tab

5. in advanced settings. find a check box "Hiding extentions for known file types", uncheck it.

6. now you can go ahead and change your file name with .rm file.


最後，向各位推薦一個網站：

www.TopChineseNews.com （不區分大小寫）

謝謝