File Extension Library

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.AS_ File Extension

  • Developer by: Microsoft Corporation
  • Category: Archive and compressed Files

What are .AS_ files and how to open them?

Can't open .AS_ file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .AS_ file.

What is a .AS_ file extension?

.AS_ file extension is created by Microsoft Corporation. .AS_ has been classified as Archive and compressed Files.

.AS_ is Winhelp compressed file

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.


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.

How to fix problems with .AS_ files

  1. You need to update the application that you normally use to open .AS_ files. Only the latest version of the software supports the current .AS_ file format
  2. You need to check the .AS_ file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)
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