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Basic information about AS_ file

When there is a problem with opening files with the file extension AS_（*.AS_ or *.as_）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the AS_ file yourself.

There are 1 file types using the AS_ file extension in our database. In the further part of this page, you will find detail information about all the AS_ file with their brief description and a list of programs that support AS_ file sorted by operating systems. The table below provides useful information about the AS_ file extension. It answers questions such as:
  • What is the AS_ file?
  • How to open a AS_ file?
  • What programs do I need to open a AS_ file?
  • What programs help to create and edit a AS_ file?
  • How to convert AS_ files to another file format?
  • How to convert another files to AS_ file format?


1.Detail information about AS_ file extension: Winhelp Compressed

File type Winhelp Compressed Category Backup Files
Developer Microsoft Corporation File format N/A
Description AS_ file is a Winhelp Compressed developed by Microsoft Corporation. Full format name of files that use AS_ extension is Winhelp Compressed. Microsoft Corporation defined the Winhelp Compressed format standard. Files with AS_ extension may be used by programs distributed for Windows platform. Files with AS_ extension are categorized as Archive Files files. The Archive Files subset comprises 619 various file formats. The most popular program for handling AS_ files is Microsoft Windows, but users can choose among 1 different programs that support this file format. Microsoft Windows software was developed by Microsoft Corporation, and on its official website you may find more information about AS_ files or the Microsoft Windows software program.
Software programs that will open, edit or convert AS_ files

Windows		 Microsoft Windows
Microsoft Windows Help



How to convert AS_ files to another file format?

There are 68 records in our database eligible for AS_ files to another file format conversion. If you want to achieve AS_ to another files conversion, you may use the option.

ASB to ADD ASC to ASCII ASC to AWW ASC to BMP
ASC to DOC ASC to DWG ASC to DXF ASC to GIF
ASC to IGS ASC to JPEG ASC to JPG ASC to LOG
ASC to OBJ ASC to PDF ASC to STEP ASC to STL
ASC to STP ASC to TEXT ASC to TXT ASD to ACCDA
ASD to DOC ASD to DOCX ASD to PDF ASD to TXT
ASD to WORD ASE to ACO ASE to JPG ASE to OBJ
ASE to PNG ASF to AMV ASF to AVI ASF to DVR-MS
ASF to F4V ASF to FLV ASF to M2TS ASF to M4V
ASF to MKV ASF to MOV ASF to MP3 ASF to MP4
ASF to MPEG ASF to MPG ASF to VOB ASF to WEBM
ASK to LIC ASL to ABR ASL to EPS ASL to JPEG
ASL to JPG ASL to PSD ASM to DAE ASM to DWG
ASM to IGES ASM to IGS ASM to PDF ASM to STP
ASP to HTML ASP to PDF ASP to TEXT ASS to 890
ASS to SRT ASS to SSA ASS to STL ASS to SUB
ASS to TXT ASV to EPUB ASW to JPG ASX to AAC


How to convert another files to AS_ file format?

There are 58 records in our database eligible for another files to AS_ file format conversion. If you want to achieve another files to AS_ conversion, you may use the option.

3DS to ASC MPEG to ASF WMV to ASF DWG to ASM
DWFX to ASC HTML to ASP AWW to ASC TEXT to ASC
IGS to ASC AVI to ASF M2TS to ASF M4V to ASF
DWG to ASC TXT to ASC SRT to ASS 3DS to ASE
MAX to ASE OBJ to ASE PSD to ASL TXT to ASS
JPEG to ASL ASCII to ASC MP4 to ASF ACO to ASE
PDF to ASL FBX to ASE STP to ASC SAT to ASC
RTF to ASC GEO to ASC DVR-MS to ASF STL to ASS
APJ to ASC FLV to ASF SLD to ASC OFR to ASF
M to ASC IV to ASE PAR to ASM JPG to ASL
GRP to ASP SSA to ASS STL to ASM FLA to ASF
MPG to ASF MODEL to ASM LOG to ASC FLAC to ASF
MKV to ASS F4V to ASF WEBM to ASF PNS to ASV
H264 to ASF SUB to ASS GRD to ASL WP6 to AST
VW to AST SMD to ASC


Can't open a AS_ file?

When you click a file to open it, operating system examines the filename extension. If operating system recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When operating system does not recognize a filename extension, you receive the following message:

”Can't open this file: example.AS_”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the AS_ extension without any issue.


Where I can download the application that support AS_ file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.


How to change file associations?

  • Right-click a file with the extension whose association you want to change, and then click "Open With".
  • In the "Open With" dialog box, click the program whith which you want the file to open, or click "Browse" to locate the program that you want.
  • Select the ”Always use the selected program to open this kind of file” check box.


Can I change the extension of AS_ files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.


What else may cause problems width open a AS_ file?

The reasons for the lack of the ability to open a AS_ file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a AS_ file. If there is still something wrong, you might want to check:

  • Whether the AS_ file is damaged.
  • Whether the AS_ file is incorrectly linked in the registry entries.
  • Whether the AS_ file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the AS_ file format is incompletely.
  • Whether the AS_ file is infected.
  • Whether the drivers of the equipment used for opening a AS_ file are up to date.
  • Whether your computer has enough hardware resources to open a AS_ file.

If the AS_ file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.