The AS_ file extension is associated with the Microsoft Winhelp software.

Detailed description

Software that open as_ file

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AS_ file extension - Winhelp compressed file

What is as_ file? How to open as_ files?

File type specification:

Archive and compressed file type icon Archive and compressed file type

as_ file icon: as_ filetype icon

The AS_ file extension is associated with the Winhelp a Windows help files authorizing software. The Wihelp file format is based on Rich Text Format (RTF). WinHelp was removed in Windows Vista to discourage software developers from using the obsolete format and encourage use of newer help formats.

The default software associated to open as_ file:

Microsoft Windows Help icon

Microsoft Corporation logoMicrosoft Windows Help  Microsoft Windows software

Company or developer:
Microsoft Corporation

Microsoft Windows Help is used to create help files for Microsoft Windows operating system and other Microsoft applications. Windows Help SDKs are different for every version of Windows it can be called Windows Help, Help and Support Center, Assistance Platform 1.0 Client - Windows Vista Help SDK, Microsoft Windows: HTML Help 1.4 etc.

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 .as_ 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 software applications associated to the .as_ 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 as_ file, edit as_ file, convert as_ file, view as_ file, play as_ file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting as_ files.

Software which is able to fix, repair or recover as_ file - Winhelp compressed file

Programs supporting the exension as_ on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Microsoft Windows for recover as_ file action.

Microsoft Windows:

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