diff --git a/EgtExch3dm.rc b/EgtExch3dm.rc
index a5ed32a..92a588f 100644
Binary files a/EgtExch3dm.rc and b/EgtExch3dm.rc differ
diff --git a/EgtExch3dm.vcxproj b/EgtExch3dm.vcxproj
index a9f7b5f..b5dcc35 100644
--- a/EgtExch3dm.vcxproj
+++ b/EgtExch3dm.vcxproj
@@ -104,7 +104,7 @@
       <PrecompiledHeaderFile>stdafx.h</PrecompiledHeaderFile>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <OpenMPSupport>false</OpenMPSupport>
-      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -133,7 +133,7 @@ copy $(TargetPath) \EgtProg\DllD32</Command>
       <EnableParallelCodeGeneration>true</EnableParallelCodeGeneration>
       <EnableEnhancedInstructionSet>StreamingSIMDExtensions2</EnableEnhancedInstructionSet>
       <OpenMPSupport>false</OpenMPSupport>
-      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard>stdcpp20</LanguageStandard>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <WholeProgramOptimization>false</WholeProgramOptimization>
@@ -165,7 +165,7 @@ copy $(TargetPath) \EgtProg\Dll32</Command>
       <ConformanceMode>true</ConformanceMode>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>stdafx.h</PrecompiledHeaderFile>
-      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -192,7 +192,7 @@ copy $(TargetPath) \EgtProg\DllD64</Command>
       <ConformanceMode>true</ConformanceMode>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>stdafx.h</PrecompiledHeaderFile>
-      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>