diff --git a/Content/UniversalEditor.Content.PlatformIndependent/Extensions/GameDeveloper/Extensions/Ultra3D/Associations/RBX.uexml b/Content/UniversalEditor.Content.PlatformIndependent/Extensions/GameDeveloper/Extensions/Ultra3D/Associations/RBX.uexml
new file mode 100644
index 00000000..6876b513
--- /dev/null
+++ b/Content/UniversalEditor.Content.PlatformIndependent/Extensions/GameDeveloper/Extensions/Ultra3D/Associations/RBX.uexml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<UniversalEditor Version="4.0">
+	<Associations>
+		<Association>
+			<Filters>
+				<Filter Title="3D Ultra RBX archive">
+					<FileNameFilters>
+						<FileNameFilter>*.rbx</FileNameFilter>
+					</FileNameFilters>
+				</Filter>
+			</Filters>
+			<ObjectModels>
+				<ObjectModel TypeName="UniversalEditor.ObjectModels.FileSystem.FileSystemObjectModel" />
+			</ObjectModels>
+			<DataFormats>
+				<DataFormat TypeName="UniversalEditor.DataFormats.FileSystem.Ultra3D.Ultra3DRBXDataFormat" />
+			</DataFormats>
+		</Association>
+	</Associations>
+</UniversalEditor>
\ No newline at end of file
diff --git a/Content/UniversalEditor.Content.PlatformIndependent/Extensions/GameDeveloper/Extensions/Ultra3D/Associations/TBV.uexml b/Content/UniversalEditor.Content.PlatformIndependent/Extensions/GameDeveloper/Extensions/Ultra3D/Associations/TBV.uexml
new file mode 100644
index 00000000..55db3d8f
--- /dev/null
+++ b/Content/UniversalEditor.Content.PlatformIndependent/Extensions/GameDeveloper/Extensions/Ultra3D/Associations/TBV.uexml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<UniversalEditor Version="4.0">
+	<Associations>
+		<Association>
+			<Filters>
+				<Filter Title="3D Ultra TBV archive">
+					<FileNameFilters>
+						<FileNameFilter>*.tbv</FileNameFilter>
+					</FileNameFilters>
+					<MagicByteSequences>
+						<MagicByteSequence>
+							<MagicByte Type="String">TBVolume</MagicByte>
+						</MagicByteSequence>
+					</MagicByteSequences>
+				</Filter>
+			</Filters>
+			<ObjectModels>
+				<ObjectModel TypeName="UniversalEditor.ObjectModels.FileSystem.FileSystemObjectModel" />
+			</ObjectModels>
+			<DataFormats>
+				<DataFormat TypeName="UniversalEditor.DataFormats.FileSystem.Ultra3D.Ultra3DTBVDataFormat" />
+			</DataFormats>
+		</Association>
+	</Associations>
+</UniversalEditor>
\ No newline at end of file
diff --git a/Content/UniversalEditor.Content.PlatformIndependent/UniversalEditor.Content.PlatformIndependent.csproj b/Content/UniversalEditor.Content.PlatformIndependent/UniversalEditor.Content.PlatformIndependent.csproj
index f98d2e1b..2d7a4e52 100644
--- a/Content/UniversalEditor.Content.PlatformIndependent/UniversalEditor.Content.PlatformIndependent.csproj
+++ b/Content/UniversalEditor.Content.PlatformIndependent/UniversalEditor.Content.PlatformIndependent.csproj
@@ -715,6 +715,8 @@
     <Content Include="Editors\Unreal\Package\UnrealPackageEditor.glade" />
     <Content Include="Editors\Unreal\Package\ContextMenus.uexml" />
     <Content Include="Extensions\GameDeveloper\Extensions\ElectronicArts\Associations\FileSystem\BIGF.uexml" />
+    <Content Include="Extensions\GameDeveloper\Extensions\Ultra3D\Associations\RBX.uexml" />
+    <Content Include="Extensions\GameDeveloper\Extensions\Ultra3D\Associations\TBV.uexml" />
   </ItemGroup>
   <ItemGroup>
     <Content Include="Configuration\Application.upl" />
@@ -763,6 +765,8 @@
     <Folder Include="Extensions\GameDeveloper\Extensions\ElectronicArts\" />
     <Folder Include="Extensions\GameDeveloper\Extensions\ElectronicArts\Associations\" />
     <Folder Include="Extensions\GameDeveloper\Extensions\ElectronicArts\Associations\FileSystem\" />
+    <Folder Include="Extensions\GameDeveloper\Extensions\Ultra3D\" />
+    <Folder Include="Extensions\GameDeveloper\Extensions\Ultra3D\Associations\" />
   </ItemGroup>
   <ItemGroup>
     <Content Include="Extensions\SoftwareDeveloper\Templates\Project\Software Development\Arduino\Images\Blink.xcf" />