The software application published by ARM that has a feature/module/file named "axd" is **Keil MDK (Microcontroller Development Kit)**. The "axd" file is associated with the ARM Debugger and is used as a debug information file.
### What is 'axd'?
The '.axd' file is an application-specific binary file that contains information used during the debugging process. This file format is often generated when building firmware projects for ARM