diff --git a/ArcFormats/ArcFormats.csproj b/ArcFormats/ArcFormats.csproj
index 193e690c..df41c355 100644
--- a/ArcFormats/ArcFormats.csproj
+++ b/ArcFormats/ArcFormats.csproj
@@ -703,6 +703,9 @@
     <Compile Include="Will\ArcPNA.cs" />
     <Compile Include="Will\ArcPulltop.cs" />
     <Compile Include="Will\ArcWIP.cs" />
+    <Compile Include="Winters\ArcDAT.cs" />
+    <Compile Include="Winters\ArcIFP.cs" />
+    <Compile Include="Winters\ArcIFX.cs" />
     <Compile Include="Xuse\ArcBIN.cs" />
     <Compile Include="Xuse\ArcGD.cs" />
     <Compile Include="Xuse\ArcWAG.cs" />
diff --git a/Legacy/Winters/ArcDAT.cs b/ArcFormats/Winters/ArcDAT.cs
similarity index 100%
rename from Legacy/Winters/ArcDAT.cs
rename to ArcFormats/Winters/ArcDAT.cs
diff --git a/Legacy/Winters/ArcIFP.cs b/ArcFormats/Winters/ArcIFP.cs
similarity index 100%
rename from Legacy/Winters/ArcIFP.cs
rename to ArcFormats/Winters/ArcIFP.cs
diff --git a/Legacy/Winters/ArcIFX.cs b/ArcFormats/Winters/ArcIFX.cs
similarity index 100%
rename from Legacy/Winters/ArcIFX.cs
rename to ArcFormats/Winters/ArcIFX.cs