diff --git a/win32/vs2015/libzint.vcxproj b/win32/vs2015/libzint.vcxproj
index a9b9d976..f1c55f6a 100644
--- a/win32/vs2015/libzint.vcxproj
+++ b/win32/vs2015/libzint.vcxproj
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+  </ImportGroup>
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+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <OutDir>$(SolutionDir)$(Configuration)\</OutDir>
+    <IntDir>$(Configuration)\</IntDir>
+    <LinkIncremental>false</LinkIncremental>
+    <TargetName>zint</TargetName>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <LinkIncremental>false</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release_LIB|Win32'">
+    <OutDir>$(SolutionDir)$(Configuration)\</OutDir>
+    <IntDir>$(Configuration)\</IntDir>
+  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <Optimization>MaxSpeed</Optimization>
+      <IntrinsicFunctions>false</IntrinsicFunctions>
+      <AdditionalIncludeDirectories>..\..\..\zlib;..\..\..\lpng;..\..\..\gs1-syntax-engine\src\c-lib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_USRDLL;_CRT_SECURE_NO_WARNINGS;_CRT_NONSTDC_NO_WARNINGS;ZINT_HAVE_GS1SE;ZINT_VERSION="2.16.0";%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <StringPooling>true</StringPooling>
+      <ExceptionHandling />
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <FunctionLevelLinking>false</FunctionLevelLinking>
+      <RuntimeTypeInfo>false</RuntimeTypeInfo>
+      <PrecompiledHeader />
+      <WarningLevel>Level3</WarningLevel>
+      <DebugInformationFormat />
+      <DisableSpecificWarnings>4018;4244;4305;%(DisableSpecificWarnings)</DisableSpecificWarnings>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    </ResourceCompile>
+    <ProjectReference>
+      <LinkLibraryDependencies>false</LinkLibraryDependencies>
+    </ProjectReference>
+    <Link>
+      <AdditionalDependencies>zlib.lib;libpng.lib;gs1encoders.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <OutputFile>$(OutDir)zint.dll</OutputFile>
+      <AdditionalLibraryDirectories>..\..\..\zlib;..\..\..\lpng;..\..\..\gs1-syntax-engine\src\c-lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>false</GenerateDebugInformation>
+      <SubSystem>Windows</SubSystem>
+      <OptimizeReferences>true</OptimizeReferences>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <TargetMachine>MachineX86</TargetMachine>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <Optimization>MaxSpeed</Optimization>
+      <IntrinsicFunctions>false</IntrinsicFunctions>
+      <AdditionalIncludeDirectories>..\..\..\zlib;..\..\..\lpng;..\..\..\gs1-syntax-engine\src\c-lib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>NDEBUG;_WINDOWS;_USRDLL;_CRT_SECURE_NO_WARNINGS;_CRT_NONSTDC_NO_WARNINGS;ZINT_HAVE_GS1SE;ZINT_VERSION="2.16.0";%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <StringPooling>true</StringPooling>
+      <ExceptionHandling>
+      </ExceptionHandling>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <FunctionLevelLinking>false</FunctionLevelLinking>
+      <RuntimeTypeInfo>false</RuntimeTypeInfo>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <DebugInformationFormat>
+      </DebugInformationFormat>
+      <DisableSpecificWarnings>4018;4244;4305;%(DisableSpecificWarnings)</DisableSpecificWarnings>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    </ResourceCompile>
+    <ProjectReference>
+      <LinkLibraryDependencies>false</LinkLibraryDependencies>
+    </ProjectReference>
+    <Link>
+      <AdditionalDependencies>zlib.lib;libpng.lib;gs1encoders.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <OutputFile>$(OutDir)zint.dll</OutputFile>
+      <AdditionalLibraryDirectories>..\..\..\zlib;..\..\..\lpng;..\..\..\gs1-syntax-engine\src\c-lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>false</GenerateDebugInformation>
+      <SubSystem>Windows</SubSystem>
+      <OptimizeReferences>true</OptimizeReferences>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
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+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release_LIB|Win32'">
+    <ClCompile>
+      <Optimization>MaxSpeed</Optimization>
+      <IntrinsicFunctions>false</IntrinsicFunctions>
+      <AdditionalIncludeDirectories>..\..\..\zlib;..\..\..\lpng;..\..\..\gs1-syntax-engine\src\c-lib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;_CRT_SECURE_NO_WARNINGS;_CRT_NONSTDC_NO_WARNINGS;ZINT_HAVE_GS1SE;ZINT_VERSION="2.16.0";%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <StringPooling>true</StringPooling>
+      <ExceptionHandling />
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <FunctionLevelLinking>false</FunctionLevelLinking>
+      <RuntimeTypeInfo>false</RuntimeTypeInfo>
+      <PrecompiledHeader />
+      <WarningLevel>Level3</WarningLevel>
+      <DebugInformationFormat />
+      <DisableSpecificWarnings>4018;4244;4305;%(DisableSpecificWarnings)</DisableSpecificWarnings>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    </ResourceCompile>
+    <Lib>
+      <OutputFile>$(OutDir)libzint.lib</OutputFile>
+      <AdditionalDependencies>zlib.lib;libpng.lib;gs1encoders.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalLibraryDirectories>..\..\..\zlib;..\..\..\lpng;..\..\..\gs1-syntax-engine\src\c-lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+    </Lib>
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+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release_LIB|x64'">
+    <ClCompile>
+      <Optimization>MaxSpeed</Optimization>
+      <IntrinsicFunctions>false</IntrinsicFunctions>
+      <AdditionalIncludeDirectories>..\..\..\zlib;..\..\..\lpng;..\..\..\gs1-syntax-engine\src\c-lib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>NDEBUG;_LIB;_CRT_SECURE_NO_WARNINGS;_CRT_NONSTDC_NO_WARNINGS;ZINT_HAVE_GS1SE;ZINT_VERSION="2.16.0";%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <StringPooling>true</StringPooling>
+      <ExceptionHandling>
+      </ExceptionHandling>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <FunctionLevelLinking>false</FunctionLevelLinking>
+      <RuntimeTypeInfo>false</RuntimeTypeInfo>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <DebugInformationFormat>
+      </DebugInformationFormat>
+      <DisableSpecificWarnings>4018;4244;4305;%(DisableSpecificWarnings)</DisableSpecificWarnings>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    </ResourceCompile>
+    <Lib>
+      <OutputFile>$(OutDir)libzintMD.lib</OutputFile>
+    </Lib>
+  </ItemDefinitionGroup>
+  <ItemGroup>
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+    <ClCompile Include="..\..\backend\2of5inter.c" />
+    <ClCompile Include="..\..\backend\2of5inter_based.c" />
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+    <ClCompile Include="..\..\backend\bc412.c" />
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+    <ClCompile Include="..\..\backend\channel.c" />
+    <ClCompile Include="..\..\backend\codabar.c" />
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+    <ClCompile Include="..\..\backend\code128_based.c" />
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+    <ClCompile Include="..\..\backend\common.c" />
+    <ClCompile Include="..\..\backend\composite.c" />
+    <ClCompile Include="..\..\backend\dllversion.c">
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release_LIB|Win32'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release_LIB|x64'">true</ExcludedFromBuild>
+    </ClCompile>
+    <ClCompile Include="..\..\backend\dmatrix.c" />
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+    <ClCompile Include="..\..\backend\gs1.c" />
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+    <ClCompile Include="..\..\backend\library.c" />
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+    <ClInclude Include="..\..\backend\gridmtx.h" />
+    <ClInclude Include="..\..\backend\gs1.h" />
+    <ClInclude Include="..\..\backend\gs1_lint.h" />
+    <ClInclude Include="..\..\backend\hanxin.h" />
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+    <ClInclude Include="..\..\backend\ksx1001.h" />
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+    <ClInclude Include="..\..\backend\maxicode.h" />
+    <ClInclude Include="..\..\backend\output.h" />
+    <ClInclude Include="..\..\backend\pcx.h" />
+    <ClInclude Include="..\..\backend\pdf417.h" />
+    <ClInclude Include="..\..\backend\pdf417_tabs.h" />
+    <ClInclude Include="..\..\backend\pdf417_trace.h" />
+    <ClInclude Include="..\..\backend\qr.h" />
+    <ClInclude Include="..\..\backend\reedsol.h" />
+    <ClInclude Include="..\..\backend\reedsol_logs.h" />
+    <ClInclude Include="..\..\backend\rss.h" />
+    <ClInclude Include="..\..\backend\sjis.h" />
+    <ClInclude Include="..\..\backend\tif.h" />
+    <ClInclude Include="..\..\backend\tif_lzw.h" />
+    <ClInclude Include="..\..\backend\zfiletypes.h" />
+    <ClInclude Include="..\..\backend\zint.h" />
+    <ClInclude Include="..\..\backend\zintconfig.h" />
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+    <ResourceCompile Include="..\..\backend\libzint.rc">
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+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release_LIB|x64'">true</ExcludedFromBuild>
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+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
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diff --git a/win32/vs2015/zint.sln b/win32/vs2015/zint.sln
index f82500be..17b95a0f 100644
--- a/win32/vs2015/zint.sln
+++ b/win32/vs2015/zint.sln
@@ -14,18 +14,12 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
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-		Debug|x64 = Debug|x64
 		Release_LIB|Win32 = Release_LIB|Win32
 		Release_LIB|x64 = Release_LIB|x64
 		Release|Win32 = Release|Win32
 		Release|x64 = Release|x64
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
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-		{3169C7FA-E52C-4BFC-B7BB-E55EBA133770}.Debug|Win32.Build.0 = Debug|Win32
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 		{5C08DC40-8F7D-475E-AA3C-814DED735A4B}.Release_LIB|Win32.Build.0 = Release_LIB|Win32
 		{5C08DC40-8F7D-475E-AA3C-814DED735A4B}.Release_LIB|x64.ActiveCfg = Release_LIB|x64
diff --git a/win32/vs2015/zint.vcxproj b/win32/vs2015/zint.vcxproj
index 639e7403..ce42ae61 100644
--- a/win32/vs2015/zint.vcxproj
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@@ -1,245 +1,165 @@
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-      <Platform>Win32</Platform>
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-      <Platform>x64</Platform>
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