diff --git a/Mac/Resources/Info.plist b/Mac/Resources/Info.plist
index 5f27b2f46..abde426bc 100644
--- a/Mac/Resources/Info.plist
+++ b/Mac/Resources/Info.plist
@@ -95,5 +95,25 @@
 			<true/>
 		</dict>
 	</array>
+	<key>UTImportedTypeDeclarations</key>
+	<array>
+		<dict>
+			<key>UTTypeConformsTo</key>
+			<array>
+				<string>com.apple.package</string>
+			</array>
+			<key>UTTypeDescription</key>
+			<string>NetNewsWire Style</string>
+			<key>UTTypeIdentifier</key>
+			<string>com.ranchero.netnewswire.style</string>
+			<key>UTTypeTagSpecification</key>
+			<dict>
+				<key>public.filename-extension</key>
+				<array>
+					<string>nnwstyle</string>
+				</array>
+			</dict>
+		</dict>
+	</array>
 </dict>
 </plist>
diff --git a/iOS/Resources/Info.plist b/iOS/Resources/Info.plist
index 83429b287..245b75fcf 100644
--- a/iOS/Resources/Info.plist
+++ b/iOS/Resources/Info.plist
@@ -175,6 +175,23 @@
 				</array>
 			</dict>
 		</dict>
+		<dict>
+			<key>UTTypeConformsTo</key>
+			<array>
+				<string>com.apple.package</string>
+			</array>
+			<key>UTTypeDescription</key>
+			<string>NetNewsWire Style</string>
+			<key>UTTypeIdentifier</key>
+			<string>com.ranchero.netnewswire.style</string>
+			<key>UTTypeTagSpecification</key>
+			<dict>
+				<key>public.filename-extension</key>
+				<array>
+					<string>nnwstyle</string>
+				</array>
+			</dict>
+		</dict>
 	</array>
 	<key>CFBundleDocumentTypes</key>
 	<array>