| Extension Name | Extension Type | Platform (OS) | Category | Dev.Company | File Format |
|---|---|---|---|---|---|
| .ADI File Extension | Dynamics AX Developer Documentation Index File | Windows | Misc | Microsoft | Unknown |
| .AOI File Extension | Dynamics AX Application Object Index File | Windows | Misc | Microsoft | Unknown |
| .ALC File Extension | Dynamics AX Label Description File | Windows | Data | Microsoft | Unknown |
| .AOD File Extension | Dynamics AX Object Data File | Windows | Misc | Microsoft | Unknown |
| .ALT File Extension | Dynamics AX Temporary File | Windows | Misc | Microsoft | Unknown |
| .AHI File Extension | Dynamics AX Online Help Index File | Windows | Misc | Microsoft | Unknown |
| .AHD File Extension | Dynamics AX Online Help Data File | Windows | Misc | Microsoft | Unknown |
| .ALI File Extension | Dynamics AX Label Index File | Windows | Data | Microsoft | Unknown |
| .ALD File Extension | Dynamics AX Application Label Data File | Windows | Data | Microsoft | Unknown |
| .ADD File Extension | Dynamics AX Developer Documentation File | Windows | Misc | Microsoft | Unknown |
| .KHI File Extension | Dynamics AX Kernel Help Index File | Windows | Misc | Microsoft | Unknown |
| .KHD File Extension | Dynamics AX Kernel Help Data File | Windows | Misc | Microsoft | Unknown |
| .UDB File Extension | Dynamics AX User Database File | Windows | Database | Microsoft | Unknown |
| .XPP File Extension | X++ Source Code File | Windows | Developer | Microsoft | Text |