Update to the latest version of Dreamweaver
Ensure that ‘Show hidden files’ is enabled in Control Panel > Folder options
Open your user folder eg C:\users\Dylan\ replacing with your name
Then open AppData/Roaming/Adobe/Dreamweaver CS6/en_US/Configuration/
Open the file Extensions.txt
Replace the first line with the following:
HTM,HTML,SHTM,SHTML,HTA,HTC,XHTML,STM,SSI,JS,JSON,AS,ASC,ASR,XML,XSL,XSD,DTD,XSLT,RSS,RDF,LBI,DWT,ASP,ASA,ASPX,ASCX,ASMX,CONFIG,CS,CSS,LESS,SCSS,CFM,CFML,CFC,TLD,TXT,PHP,PHP3,PHP4,PHP5,PHP-DIST,PHTML,JSP,WML,TPL,LASSO,JSF,VB,VBS,VTM,VTML,INC,SQL,JAVA,EDML,MASTER,INFO,INSTALL,THEME,CONFIG,MODULE,PROFILE,ENGINE,SVG:All
Documents
- Replace the following line:
CSS:Style Sheets
With
CSS,LESS,SCSS:Style Sheets
Save and exit the file
Go to the folder DocumentTypes
Open the file named MMDocumentTypes.xml
Replace the line beginning with:
=>documenttype id="CSS"
with
<documenttype id="CSS" internaltype="Text"
winfileextension="css,less,sass,scss" macfileextension="css"
file="Default.css" writebyteordermark="false" mimetype="text/css" >
Save and exit the file, and restart Dreamweaver
Syntax highlighting now works