Sorts of AHI Files

Chief AHI Description

.AHI

Extension:	.ahi
Class:	Microsoft Dynamics AX Online Help Index

An AHI file is a data file associated Microsoft Dynamics AX. It contains online help index data.

Developer:	Microsoft Corporation
Group:	Data Files
Key:	HKEY_CLASSES_ROOT\.ahi

Software Programs That Open The Microsoft Dynamics AX Online Help Index:

Microsoft Dynamics AX by Microsoft Corporation

Windows

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Sources of AHI Problems

Frequent AHI Opening Issues

Microsoft Dynamics AX Disappeared

You encounter an error message such as "%%os%% Can't Open AHI Files" when trying to open your AHI. When this happens, it is commonly due to Microsoft Dynamics AX missing in %%os%%. Your operating system cannot associate your AHI with Microsoft Dynamics AX, so double-clicking the file won't work.

Tip: Another AHI-related program can be selected to open the file by clicking "Show Apps" and finding the application.

Obsolete Version of Microsoft Dynamics AX

In some cases, you might have a newer (or older) version of a Microsoft Dynamics AX Online Help Index file that is unsupported by your installed application version. Download the latest Microsoft Dynamics AX version from the Microsoft Corporation website to ensure you have the correct one installed. Most of the time your Microsoft Dynamics AX Online Help Index file was created by a newer Microsoft Dynamics AX than what you have installed.

Tip: Right-clicking on your AHI, then clicking "Properties" (Windows) or "Get Info" (Mac), can provide clues about your file version.

Summary: In either case, the majority of problems opening AHI files are related to not having the correct software application installed on your computer.

Other AHI File Issues

You can still experience errors opening AHI files even with the latest version of Microsoft Dynamics AX installed on your PC. There can be external issues inside of %%os%% that are causing these errors when opening AHIs. Additional factors include:

• Corrupt Windows Registry file path references for AHI
• Mistaken removal of the Windows registry AHI description
• Defective install of a AHI program, such as Microsoft Dynamics AX
• Your AHI can't be loaded properly (file corruption)
• Malware-tainted AHI file can't be opened
• Device drivers for AHI-related hardware are out-of-date
• Insufficient system resources to successfully open Microsoft Dynamics AX Online Help Index files