.ALD File Extension

Contains text for forms within Microsoft Dynamics AX, a business management solution; may be used for field labels, messages, and other purposes; a separate ALD file exists for each supported language of the Dynamics AX user interface.

Dynamics AX label files are typically stored in the following directory:
"C:\Program Files\Microsoft Dynamics AX\40\Application\Appl\Standard."

NOTE: Microsoft developed Dynamics AX after acquiring Axtapa Systems.