An adl file extension is associated with the DESQview a text mode multitasking program for MS-DOS.

There are 5 other file types using
the ADL file extension!

adl icon.adl - QEMM MicroChannel adapter description library file

empty icon.adl - ADONIS models and model groups export

empty icon.adl - Archetype Definition Language data format

adl icon.adl - Westwood ADL file format

empty icon.adl - Nova Logic game animation data batch listing file

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ADL file extension - DESQview data

What is adl file? How to open adl files?

File type specification:

Various data file type icon Various data file type

The adl file extension is related to DESQview which was a text mode multitasking program developed by Quarterdeck Office Systems which enjoyed modest popularity in the late 1980s and early 1990s.

Running on top of DOS, it allowed users to run multiple DOS programs concurrently in multiple windows.

The adl file contains some kind of data used by DESQview.

This adl file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

Updated: March 28, 2018

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 .adl 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.

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