.ASCIIDOC

.ASCIIDOC File Extension

Learn what a .asciidoc file is, what it is used for, which programs can open it, and how to convert or troubleshoot this file format.

Data File Extension Guide 222 Searches
.ASCIIDOC
AsciiDoc

Quick Facts

Basic information about this file format

Extension
.ASCIIDOC
File Type
AsciiDoc
Category
Data
Best first step
Use compatible software

Quick Summary

A practical overview of the .asciidoc file format

AsciiDoc is a human-readable document format that is semantically equivalent to DocBook XML, but uses a plain text markup language. It's designed for writing notes, documentation, articles, books, web pages, slide presentations, man pages and much more. AsciiDoc files are typically converted into o…

File extension .ASCIIDOC
File type AsciiDoc
Category Data
Recommended action Open with a trusted compatible app

How to open a .asciidoc file

Start with a trusted app that supports this format

  • Check the file extension carefully and confirm that the file name really ends with .asciidoc.
  • Use software that supports this file type. If one app does not work, try another compatible program for the same platform.
  • Update the application if the file was created by a newer version of the software.
  • Scan files from unknown sources before opening them, especially documents, archives, scripts, installers, and executable files.

What is a .asciidoc file?

File extension details and usage information

AsciiDoc is a human-readable document format that is semantically equivalent to DocBook XML, but uses a plain text markup language. It's designed for writing notes, documentation, articles, books, web pages, slide presentations, man pages and much more. AsciiDoc files are typically converted into other formats like HTML, PDF, EPUB, or man pages using a processor like Asciidoctor. The format emphasizes readability and ease of writing, allowing authors to focus on content rather than complex markup. It supports features like tables, lists, cross-references, and includes, making it suitable for large and complex documents. AsciiDoc's simple syntax and powerful processing capabilities make it a popular choice for technical writers, developers, and anyone who needs to create well-structured documents from plain text. The format is highly configurable, allowing users to customize the output to meet specific requirements. AsciiDoc is often used in software development projects for generating documentation, release notes, and user guides. It is also used for creating books and articles. The format's flexibility and ease of use make it a versatile tool for a wide range of documentation tasks.

Software Compatibility

Programs that may open or work with .asciidoc files

Windows

Compatible applications

Asciidoctor Compatible
Atom (with AsciiDoc plugin) Compatible
Visual Studio Code (with AsciiDoc plugin) Compatible
Sublime Text (with AsciiDoc plugin) Compatible

macOS

Compatible applications

Asciidoctor Compatible
Atom (with AsciiDoc plugin) Compatible
Visual Studio Code (with AsciiDoc plugin) Compatible
Sublime Text (with AsciiDoc plugin) Compatible
TextMate (with AsciiDoc plugin) Compatible

Linux

Compatible applications

Asciidoctor Compatible
Atom (with AsciiDoc plugin) Compatible
Visual Studio Code (with AsciiDoc plugin) Compatible
Sublime Text (with AsciiDoc plugin) Compatible
Vim (with AsciiDoc plugin) Compatible
Emacs (with AsciiDoc plugin) Compatible

Mobile

Mobile applications

None (typically viewed after conversion to HTML or PDF) Compatible
Some text editors with syntax highlighting may support viewing Compatible

Can .asciidoc files be converted?

Options for saving or exporting this file to another format

In many cases, a .asciidoc file can be converted by opening it in compatible software and using an option such as Save As, Export, or Convert. The available output formats depend on the file type and the application used.

  • Use the original software that created the file when possible.
  • Check whether the application supports exporting to common formats.
  • Be careful with online converters when working with private, business, or sensitive files.
  • If conversion fails, the file may be corrupted, incomplete, encrypted, or not actually a .asciidoc file.

Why can't I open a .asciidoc file?

Common reasons this file type may not open correctly

Wrong software

The file may require a specific program that supports the .asciidoc format.

Incorrect extension

The file extension may have been renamed manually, even though the actual file format is different.

Corrupted file

The file may be incomplete, damaged during download, or transferred incorrectly.

Outdated app

Your software may need to be updated before it can open newer versions of this file format.

Frequently Asked Questions

Common questions about .asciidoc files

To open a .asciidoc file, use software that supports this file format.

  • Asciidoctor
  • Atom (with AsciiDoc plugin)
  • Visual Studio Code (with AsciiDoc plugin)
  • Sublime Text (with AsciiDoc plugin)
  • TextMate (with AsciiDoc plugin)

Open the file in compatible software and look for options such as Save As, Export, or Convert. If no export option is available, the file may require a specialized converter or the original application that created it.

  1. Verify that the file extension is correct.
  2. Install or update compatible software.
  3. Try another application that supports this format.
  4. Check whether the file is corrupted, incomplete, or encrypted.

A file extension alone does not guarantee whether a file is safe or unsafe. Only open files from trusted sources, scan unknown files before opening them, and be especially careful with executable, script, archive, and document files.

File safety tips

Use caution with unknown files

Only open files from trusted sources. Before opening a .asciidoc file, scan it with antivirus software, verify that the file extension is expected, and avoid running unknown executable, installer, macro-enabled document, or script files.