ASC File

What are ASC files and how to open them

Are you having problems opening an ASC file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is an ASC file?

ASC files have multiple uses, and 16bit DOS COM COMT Text Converted is one of them. Read more about the other uses further down the page.

16bit DOS COM COMT Text Converted File

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open ASC files

Important: Different programs may use files with the ASC file extension for different purposes, so unless you are sure which format your ASC file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested ten different ASC openers which you will find listed below.

Last updated: December 27, 2022

ActionScript Communication File

Files that contain the .asc file extension are script files that have been written in the ActionScript programming language. These files contain code that is used to control Flash-based applications.

The code stored in the ASC files is executed by the Flash Media Server. It can control various events, such as how the server accesses resources, streams multimedia content to a user, and loads Flash applications. The ASC files can be created by the Adobe Media Encoder or Adobe Flash Media Live Encoder.

More file formats using the ASC extension

Through our research of ASC files, we know that the following formats exist. However, we have not yet analyzed them in detail.

  • 3D Studio ASCII Format
  • ASCII Encoded HP 48 Object File
  • Atlantis SpellCheck Configuration File
  • BRL-CAD Geometry File
  • Cheetah Subtitles File
  • Esri Grid ASCII Data File
  • LTSpice Circuit Schematic File
  • PGP ASCII-Armor File
  • PGP Clear-Text Signed Message File
  • PGP Message File
  • PGP Private/Public Key Block
  • PGP Signature File
  • Rigaku Smartlab Pole Figure Raw Format File
  • Saltpack Message Data File

Various apps that use files with this extension

These apps are known to open certain types of ASC files. Remember, different programs may use ASC files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Adobe FlashAdobe FlashUser submitted
Macromedia FlashMacromedia FlashUser submitted
PGP DesktopPGP DesktopUser submitted
Sage AccountingSage AccountingUser submitted
Sage Simply AccountingSage Simply AccountingUser submitted
Simply Accounting by SageSimply Accounting by SageUser submitted
Symantec Encryption DesktopSymantec Encryption DesktopUser submitted
progeCAD ProfessionalprogeCAD ProfessionalUser submitted
LTspice IVLTspice IVUser submitted

Help us help others helps thousands of users every day, and we would love to hear from you if you have additional information about ASC file formats, example files, or compatible programs. Please use the links below or email us at to discuss further.