ASN file format description

Many people often share .asn files without providing instructions on how to use them. This can make it difficult for users to determine which program is compatible for editing, converting, or printing .asn files. To address this issue, we have created this page to offer assistance and guidance on handling .asn files. We provide information on compatible software, editing instructions and conversion options to help users effectively interact with .asn files.

Our aim is to simplify the process and promote seamless use of the .asn file format.

5 filename extension(s) found in our database.

.asn - Atlantis Word Processor Sound Scheme

The ASN audio files are related to Atlantis Word Processor. The ASN file is an Atlantis Word Processor Sound Scheme. Atlantis Word Processor is a stand-alone word processor for Microsoft Windows developed by Rising Sun Solutions, Inc.

Atlantis Word Processor
Audio files
- / -
Atlantis Word Processor Sound Scheme related extensions:
Korg Mono/Poly Program
AHX Encoded Audio
TFM Music Maker Instruments Data
Beepola Song
MusicAssembler Audio
Ableton Live Clip

.asn - NCBI ASN.1 Data

The ASN data files are related to PubChem. The ASN file is a NCBI ASN.1 Data. ASN.1, or Abstract Syntax Notation One, is an International Standards Organization (ISO) data representation format used to achieve interoperability between platforms. NCBI uses ASN.1 for the storage and retrieval of data such as nucleotide and protein sequences, structures, genomes, and MEDLINE records.

Data files
- / -
NCBI ASN.1 Data related extensions:
HP-49 Text Data
iCal To Do List
SuperCalc Macro
SDX Signed Data
Advent 3B2 Text
MediaWorks Data

.asn - Uniface Assignment Data

The ASN development files are related to Uniface. The ASN file is a Uniface Assignment Data. Uniface is a development and deployment platform for enterprise applications that can run in a large range of runtime environments, including mobile, mainframe, web, Service-oriented architecture, Windows, Java EE and .NET.

Development files
- / -
Uniface Assignment Data related extensions:
Uniface Startup Shell Data
Uniface Global Object Data
Uniface Dynamic Server Page
Uniface Device Translation Table
Uniface Entity Descriptor Data
Uniface Entity Service Data

.asn - GameSpy Arcade Skin Data

The ASN data files are related to GameSpy Arcade. The ASN file is a GameSpy Arcade Skin Data. GameSpy Arcade was a shareware multiplayer game server browsing utility. The GameSpy Arcade seems to be no longer supported.

GameSpy Arcade
Data files
- / -
GameSpy Arcade Skin Data related extensions:
ReliaSoft RGA Compressed Database
Generation Analysis and Planning Data
Desktop Dyno2000 Engine Simulation Data
Blaise Specification
Windows SDK Packed Digital Signature
Prizoop Compressed ROM Image

.asn1 - Abstract Syntax Notation One Data

The ASN1 data files are related to Java ASN.1 SDK. The ASN1 file is an Abstract Syntax Notation One Data. Abstract Syntax Notation One (ASN.1) is a standard and notation that describes rules and structures for representing, encoding, transmitting, and decoding data in telecommunications and computer networking.

Java ASN.1 SDK
Data files
- / -
Abstract Syntax Notation One Data related extensions:
DaVis Vector Data
Tekla Structural Designer Neutral Data
AnyQuest Questionnaire Definition Data
VisualBoy Advance IPS Patch File
ZX Spectrum Emulator Tape Data TAP

Naturally, other applications may also use the .asn file extension. Even harmful programs can create .asn files. Be especially cautious with .asn files coming from an unknown source!

Can't open a .asn file?

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

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .asn file extension is often given incorrectly!

Based on searches conducted on our site in the past year, we have compiled a list of the most common misspellings. These frequent misspellings can cause confusion and hinder search accuracy. By providing this list, we aim to assist users in finding the correct information more easily and improving their overall search experience on our site.

These misspellings were the most common in the past year:

acn, aen, an, ans, as, asb, asg, ash, asj, asm, awn, azn, qsn, san, sn

Is it possible that the filename extension is misspelled?

There is a possibility that the .asn filename extension is misspelled. To assist users in identifying potential errors, we provide a list of similar file extensions in our database.

Filename extensions similar to .asn:

Adobe Flash ActionScript
PTC Creo Assembly Data
Nintendo Wii System Menu Data
Microsoft InfoPath Form Template
Inventus Antum Secured Mail Encrypted Data
Audiosurf Audio Metadata

Operating systems

At, we strive to provide a seamless user experience by ensuring compatibility with a wide range of operating systems. The following is a comprehensive list of the operating systems currently supported by

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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