FeedDemon newspaper style file
File type: Various data file
A FDXSL4 file is a newspaper style file used by FeedDemon, a popular RSS reader for Microsoft Windows.
The file defines the appearance and layout FeedDemon uses when displaying syndicated content in its newspaper view.
File type category:
Various data file
Date updated: September 27, 2026
FeedDemon was a Microsoft Windows RSS reader developed by NewsGator Technologies. An FDXSL4 file contains presentation and layout instructions for a FeedDemon newspaper style rather than the RSS feed content itself.
The file is used by FeedDemon as part of its display customization.
Open an FDXSL4 file with FeedDemon on Microsoft Windows. FeedDemon uses the file as a newspaper style; it is not normally opened as a standalone document.
FDXSL4 files are not normally converted to another format. Use the file with FeedDemon as a newspaper style rather than converting it to a document format.
Software applications that handle other tasks involving fdxsl4 files:
Microsoft Windows
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