All about AS_ Files

The AS_ file type is primarily associated with Winhelp Compressed File.

AS_	File extension: AS_
	File type:	Winhelp Compressed files

What is an AS_ file?

AS_ files mostly belong to Winhelp Compressed File. Use our "Online AS_ Text Viewer" below to analyze your AS_ file and to see all text it contains.

How do you open AS_ files?

You need a suitable software like Winhelp Compressed File to open an AS_ file. You need a suitable software like Winhelp Compressed File to open an AS_ file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your AS_ file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a AS_ file directly in the browser:. Just drag the file onto this browser window and drop it.

Online AS_ Text Viewer

Choose your .as_ file to analyze

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Online File Viewer

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Can't Open Your .AS_ File? Try These Steps

Because .AS_ files come from various programs, they aren't universally openable.

Identify the Source: If from a legacy Windows installer, it's likely a Winhelp Compressed File. If from a developer, it may be a compressed Assembly or ASP file.
Check the Header: Open the file in a hex viewer to inspect the first bytes:
- SZDD or KWAJ: Indicates a legacy Microsoft compressed file.
- MSCF: Suggests a Microsoft Cabinet archive.
- Plain text: Might be an uncompressed script.
Use the Original Software: You usually need the original extraction tool. Try Microsoft Expand, 7-Zip, or Winhelp. If uncertain, ask the sender.
Use this Webpage: Drag and drop your file into our viewer to detect the format, extract metadata, and preview contents.

Technical Data for AS_ File Extension

Related files:

ms_, rt_, hp_

an as_ Winhelp Compressed file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with AS_ files

Associate the AS_ file extension with the correct application.
Update your software that should actually open Winhelp Compressed files. Because only the current version supports the latest AS_ file format. Search, therefore, e.g. on the manufacturer website after an available Winhelp Compressed File update.
To make sure that your AS_ file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .AS_ file online - secure, fast, and no downloads needed.