### 13.2.4 Specifying a different output file extension

To change the output file extension for HTML or XHTML:

[Setup]

HTMLSuffix = .ext

Include the leading dot. The default value is.htm.

Also specify the following, for interfile links:

[HTMLOptions]

FileSuffix = .ext

The extension you supply for FileSuffix must match the extension for the output files in your project. See §19.6.2 Specifying a file extension for interfile links.

For DITA or DocBook output, see:

§15.2.3 Specifying DITA output options

§17.2.3.1 Changing the DocBook output file extension

| 13.2.3 Preparing a document for conversion to HTML or XHTML |  | 13.2.5 Checking automatic settings for HTML or XML split files |