The ATL file extension is related to the Hal, Supernova, Lunar, LunarPlus applications for Windows.

There are 4 other file types using
the ATL file extension!

empty icon.atl - AutoTap log

empty icon.atl - ATP Assembler source file

empty icon.atl - PROGNOSIS atlas document file

empty icon.atl - Artlantis 3D scene

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ATL file extension - Hal file

What is atl file? How to open atl files?

File type specification:

Various data file type icon Various data file type

The ATL file extension is associated with the Hal, Supernova, Lunar, LunarPlus applications for Microsoft Windows that allows blind computer users to read information on the screen. The .atl file stores various data used for internal purposes of Hal and compatible applications.

The default software associated to open atl file:

Dolphin Computer Access Ltd. logoHal  Microsoft Windows software

Company or developer:
Dolphin Computer Access Ltd.

Hal was a software used for screen reading meant for blind computer users. It looks like it was discontinued years ago.

Help how to open:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert:

As far as we know, this .atl file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of recommended software applications associated to the .atl file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open atl file, edit atl file, convert atl file, view atl file, play atl file etc. (if exist software for corresponding action in's database).

Unspecified and all other actions for computer programs working with atl file - Hal file

Click on the software link for more information about Hal. Hal uses atl file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Microsoft Windows:

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