grr文件扩展名，grr文件怎么打开？

.grr

文件类型：Gradekeeper Class Roster File

扩展名为.grr的文件是一个数据文件。

文件说明：

Roster or list of students in a class created with Gradekeeper, a classroom attendance and grade tracking program; referenced by Gradekeeper when taking attendance and saving scores.

The Gradekeeper gradebook is saved as a .GRK file..grr                                                                    

打开.grr文件

Mac OS

Gradekeeper for Mac OS X

　

Windows

Gradekeeper for Windows

　

Linux

其它内容

来源：. grr文件