diff --git a/OutputFormats.md b/OutputFormats.md
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+++ b/OutputFormats.md
@@ -1,5 +1,7 @@
 # Mapnik Output Formats
 
+THIS PAGE IS OLD AND DEPRECATED, PLEASE SEE [[Image-IO]] for more up to date details on Mapnik output formats.
+
 Mapnik supports rendering with both AGG and Cairo (see [[MapnikRenderers]] for more detail), and can create maps or map tiles in a variety of formats.
 
 ## Tradeoffs