diff --git a/7zip/7zip.vcxproj b/7zip/7zip.vcxproj
index 0bdb9c687..62ff49e98 100644
--- a/7zip/7zip.vcxproj
+++ b/7zip/7zip.vcxproj
@@ -78,26 +78,26 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v141_xp</PlatformToolset>
+    <PlatformToolset>$(DefaultPlatformToolset)</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v141_xp</PlatformToolset>
+    <PlatformToolset>$(DefaultPlatformToolset)</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v141_xp</PlatformToolset>
+    <PlatformToolset>$(DefaultPlatformToolset)</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v141_xp</PlatformToolset>
+    <PlatformToolset>$(DefaultPlatformToolset)</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
diff --git a/cli/cli.vcxproj b/cli/cli.vcxproj
index 1181f85c8..552f1dde5 100644
--- a/cli/cli.vcxproj
+++ b/cli/cli.vcxproj
@@ -28,26 +28,26 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v141_xp</PlatformToolset>
+    <PlatformToolset>$(DefaultPlatformToolset)</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v141_xp</PlatformToolset>
+    <PlatformToolset>$(DefaultPlatformToolset)</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v141_xp</PlatformToolset>
+    <PlatformToolset>$(DefaultPlatformToolset)</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v141_xp</PlatformToolset>
+    <PlatformToolset>$(DefaultPlatformToolset)</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
diff --git a/libuv/libuv.vcxproj b/libuv/libuv.vcxproj
index 07a6febac..69e618058 100644
--- a/libuv/libuv.vcxproj
+++ b/libuv/libuv.vcxproj
@@ -29,7 +29,7 @@
     <ConfigurationType>StaticLibrary</ConfigurationType>
   </PropertyGroup>
   <PropertyGroup Label="Locals">
-    <PlatformToolset>v141_xp</PlatformToolset>
+    <PlatformToolset>$(DefaultPlatformToolset)</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings" />
diff --git a/lz4/lz4.vcxproj b/lz4/lz4.vcxproj
index adb218002..5d2f37243 100644
--- a/lz4/lz4.vcxproj
+++ b/lz4/lz4.vcxproj
@@ -41,27 +41,27 @@
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v141_xp</PlatformToolset>
+    <PlatformToolset>$(DefaultPlatformToolset)</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v141_xp</PlatformToolset>
+    <PlatformToolset>$(DefaultPlatformToolset)</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
     <WholeProgramOptimization>false</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v141_xp</PlatformToolset>
+    <PlatformToolset>$(DefaultPlatformToolset)</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
     <WholeProgramOptimization>false</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v141_xp</PlatformToolset>
+    <PlatformToolset>$(DefaultPlatformToolset)</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
diff --git a/src/src.vcxproj b/src/src.vcxproj
index 1749b4c2d..c6d6aac50 100644
--- a/src/src.vcxproj
+++ b/src/src.vcxproj
@@ -65,27 +65,27 @@
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v141_xp</PlatformToolset>
+    <PlatformToolset>$(DefaultPlatformToolset)</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v141_xp</PlatformToolset>
+    <PlatformToolset>$(DefaultPlatformToolset)</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
     <WholeProgramOptimization>false</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v141_xp</PlatformToolset>
+    <PlatformToolset>$(DefaultPlatformToolset)</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
     <WholeProgramOptimization>false</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v141_xp</PlatformToolset>
+    <PlatformToolset>$(DefaultPlatformToolset)</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
diff --git a/zlib/zlib.vcxproj b/zlib/zlib.vcxproj
index 104f69f19..70cf8e974 100644
--- a/zlib/zlib.vcxproj
+++ b/zlib/zlib.vcxproj
@@ -58,27 +58,27 @@
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v141_xp</PlatformToolset>
+    <PlatformToolset>$(DefaultPlatformToolset)</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v141_xp</PlatformToolset>
+    <PlatformToolset>$(DefaultPlatformToolset)</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
     <WholeProgramOptimization>false</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v141_xp</PlatformToolset>
+    <PlatformToolset>$(DefaultPlatformToolset)</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
     <WholeProgramOptimization>false</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v141_xp</PlatformToolset>
+    <PlatformToolset>$(DefaultPlatformToolset)</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
diff --git a/zopfli/zopfli.vcxproj b/zopfli/zopfli.vcxproj
index c72518000..453737a34 100644
--- a/zopfli/zopfli.vcxproj
+++ b/zopfli/zopfli.vcxproj
@@ -26,26 +26,26 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v141_xp</PlatformToolset>
+    <PlatformToolset>$(DefaultPlatformToolset)</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v141_xp</PlatformToolset>
+    <PlatformToolset>$(DefaultPlatformToolset)</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v141_xp</PlatformToolset>
+    <PlatformToolset>$(DefaultPlatformToolset)</PlatformToolset>
     <WholeProgramOptimization>false</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v141_xp</PlatformToolset>
+    <PlatformToolset>$(DefaultPlatformToolset)</PlatformToolset>
     <WholeProgramOptimization>false</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>