diff --git a/NanaZip.Core/NanaZip.Core.Sfx.Console.vcxproj b/NanaZip.Core/NanaZip.Core.Sfx.Console.vcxproj
index a86e464b3..74dfe06d8 100644
--- a/NanaZip.Core/NanaZip.Core.Sfx.Console.vcxproj
+++ b/NanaZip.Core/NanaZip.Core.Sfx.Console.vcxproj
@@ -34,6 +34,8 @@
     <ClCompile>
       <EnableEnhancedInstructionSet Condition="'$(Platform)'=='Win32'">NoExtensions</EnableEnhancedInstructionSet>
       <AdditionalOptions>%(AdditionalOptions) /Wv:18</AdditionalOptions>
+      <Optimization Condition="'$(Configuration)' == 'Release'">MinSpace</Optimization>
+      <FavorSizeOrSpeed Condition="'$(Configuration)' == 'Release'">Size</FavorSizeOrSpeed>
     </ClCompile>
     <Link>
       <LargeAddressAware>true</LargeAddressAware>
diff --git a/NanaZip.Core/NanaZip.Core.Sfx.Setup.vcxproj b/NanaZip.Core/NanaZip.Core.Sfx.Setup.vcxproj
index 058b9889c..2f31ba634 100644
--- a/NanaZip.Core/NanaZip.Core.Sfx.Setup.vcxproj
+++ b/NanaZip.Core/NanaZip.Core.Sfx.Setup.vcxproj
@@ -37,6 +37,8 @@
       <EnableEnhancedInstructionSet Condition="'$(Platform)'=='Win32'">NoExtensions</EnableEnhancedInstructionSet>
       <AdditionalOptions>%(AdditionalOptions) /Wv:18</AdditionalOptions>
       <PreprocessorDefinitions>Z7_NO_REGISTRY;Z7_NO_CRYPTO;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <Optimization Condition="'$(Configuration)' == 'Release'">MinSpace</Optimization>
+      <FavorSizeOrSpeed Condition="'$(Configuration)' == 'Release'">Size</FavorSizeOrSpeed>
     </ClCompile>
     <Link>
       <LargeAddressAware>true</LargeAddressAware>
diff --git a/NanaZip.Core/NanaZip.Core.Sfx.Shared.vcxproj b/NanaZip.Core/NanaZip.Core.Sfx.Shared.vcxproj
index 2bd1f7d54..55383ddd2 100644
--- a/NanaZip.Core/NanaZip.Core.Sfx.Shared.vcxproj
+++ b/NanaZip.Core/NanaZip.Core.Sfx.Shared.vcxproj
@@ -21,6 +21,8 @@
       <PreprocessorDefinitions>Z7_EXTRACT_ONLY;Z7_NO_READ_FROM_CODER;Z7_SFX;Z7_NO_LONG_PATH;Z7_NO_LARGE_PAGES;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PreprocessorDefinitions Condition="'$(Platform)'=='x64'">Z7_LZMA_DEC_OPT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <DisableSpecificWarnings>4113;</DisableSpecificWarnings>
+      <Optimization Condition="'$(Configuration)' == 'Release'">MinSpace</Optimization>
+      <FavorSizeOrSpeed Condition="'$(Configuration)' == 'Release'">Size</FavorSizeOrSpeed>
     </ClCompile>
     <MASM>
       <UseSafeExceptionHandlers Condition="'$(Platform)'=='Win32'">true</UseSafeExceptionHandlers>
diff --git a/NanaZip.Core/NanaZip.Core.Sfx.Windows.vcxproj b/NanaZip.Core/NanaZip.Core.Sfx.Windows.vcxproj
index 3ab601d3c..24a010551 100644
--- a/NanaZip.Core/NanaZip.Core.Sfx.Windows.vcxproj
+++ b/NanaZip.Core/NanaZip.Core.Sfx.Windows.vcxproj
@@ -37,6 +37,8 @@
       <EnableEnhancedInstructionSet Condition="'$(Platform)'=='Win32'">NoExtensions</EnableEnhancedInstructionSet>
       <AdditionalOptions>%(AdditionalOptions) /Wv:18</AdditionalOptions>
       <PreprocessorDefinitions>Z7_NO_REGISTRY;Z7_LANG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <Optimization Condition="'$(Configuration)' == 'Release'">MinSpace</Optimization>
+      <FavorSizeOrSpeed Condition="'$(Configuration)' == 'Release'">Size</FavorSizeOrSpeed>
     </ClCompile>
     <Link>
       <LargeAddressAware>true</LargeAddressAware>
diff --git a/NanaZip.Frieren/NanaZip.Frieren.vcxproj b/NanaZip.Frieren/NanaZip.Frieren.vcxproj
index 05ec5964c..1a03a9bed 100644
--- a/NanaZip.Frieren/NanaZip.Frieren.vcxproj
+++ b/NanaZip.Frieren/NanaZip.Frieren.vcxproj
@@ -19,6 +19,8 @@
   <ItemDefinitionGroup>
     <ClCompile>
       <EnableEnhancedInstructionSet Condition="'$(Platform)'=='Win32'">NoExtensions</EnableEnhancedInstructionSet>
+      <Optimization Condition="'$(Configuration)' == 'Release'">MinSpace</Optimization>
+      <FavorSizeOrSpeed Condition="'$(Configuration)' == 'Release'">Size</FavorSizeOrSpeed>
     </ClCompile>
   </ItemDefinitionGroup>
   <ItemGroup>
diff --git a/NanaZip.Shared/NanaZip.Shared.Mitigations.vcxproj b/NanaZip.Shared/NanaZip.Shared.Mitigations.vcxproj
index 55acc81fd..7864afa63 100644
--- a/NanaZip.Shared/NanaZip.Shared.Mitigations.vcxproj
+++ b/NanaZip.Shared/NanaZip.Shared.Mitigations.vcxproj
@@ -19,6 +19,8 @@
   <ItemDefinitionGroup>
     <ClCompile>
       <EnableEnhancedInstructionSet Condition="'$(Platform)'=='Win32'">NoExtensions</EnableEnhancedInstructionSet>
+      <Optimization Condition="'$(Configuration)' == 'Release'">MinSpace</Optimization>
+      <FavorSizeOrSpeed Condition="'$(Configuration)' == 'Release'">Size</FavorSizeOrSpeed>
     </ClCompile>
   </ItemDefinitionGroup>
   <ItemGroup>
diff --git a/NanaZip.Shared/NanaZip.Shared.ModernExperienceShims.vcxproj b/NanaZip.Shared/NanaZip.Shared.ModernExperienceShims.vcxproj
index 8ea471677..120a444a1 100644
--- a/NanaZip.Shared/NanaZip.Shared.ModernExperienceShims.vcxproj
+++ b/NanaZip.Shared/NanaZip.Shared.ModernExperienceShims.vcxproj
@@ -19,6 +19,8 @@
   <ItemDefinitionGroup>
     <ClCompile>
       <EnableEnhancedInstructionSet Condition="'$(Platform)'=='Win32'">NoExtensions</EnableEnhancedInstructionSet>
+      <Optimization Condition="'$(Configuration)' == 'Release'">MinSpace</Optimization>
+      <FavorSizeOrSpeed Condition="'$(Configuration)' == 'Release'">Size</FavorSizeOrSpeed>
     </ClCompile>
   </ItemDefinitionGroup>
   <ItemGroup>