MEGA Administration : Administrator Guide : Command File Syntax : Basic Syntax : Transforming an MGL File to MGR
   
Transforming an MGL File to MGR
*See "Command file extensions".
You do not need to transform an .mgl file to .mgr.
To obtain the same result, when importing an .mgl file:
*in the data import dialog box, in the Checks frame, clear the Check Writing Accesses check box.