FileInfo.com - The File Extensions Resource

.AOD File Extension

File Type	Dynamics AX Object Data File
File Format	File
Common?	No
File Description	Application object data file created with Microsoft Dynamics AX business management software; contains the Application Object Layer list; used for selecting layers of the application to modify.
Program(s) that open aod files	Windows: Microsoft Dynamics AX

Information from FileInfo.com - The File Extensions Resource.
http://www.fileinfo.com/extension/aod