.CFM File Extension
ColdFusion Markup File
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What is a CFM file?
A CFM file is a webpage that contains ColdFusion code, or CFML (ColdFusion Markup Language). It is dynamically executed by a ColdFusion web server when the page is accessed by a user. CFM files can run ColdFusion applications and scripts written in CFScript and may reference database information, generate forms, and create PDF reports on the fly.
You will most likely encounter CFM files only if you are a web developer and integrating ColdFusion functionality into your webpages. Developers typically use Adobe ColdFusion Builder for creating applications in CFML. However, they may use a variety of other CFML IDEs and editors, such as Adobe Dreamweaver, CFEclipse (plug-in for Eclipse), and CFBrackets (extension for the Brackets source code editor).
CFML is a tag-based language that features a syntax similar to HTML and XML. It includes unique tags and support for custom tags for creating dynamic web applications. All CFML tags begin with cf.
NOTE: ColdFusion was originally developed by Allaire, then later bought by Macromedia, and is now distributed by Adobe Systems after acquiring Macromedia in 2005.
How to open a CFM file
ColdFusion developers typically open and edit CFM files with Adobe ColdFusion Builder. You can also open and edit CFM files with source code editors, such as Microsoft Visual Studio Code or GitHub Atom, and plain text editors, such as Microsoft Notepad or Apple Textedit. Source code editors included helpful tools that make reading and editing ColdFusion code easier.