diff --git a/CPP/7zip/Archive/Zip/ZipAddCommon.cpp b/CPP/7zip/Archive/Zip/ZipAddCommon.cpp
index 1ee7e22f..cc14d16f 100644
--- a/CPP/7zip/Archive/Zip/ZipAddCommon.cpp
+++ b/CPP/7zip/Archive/Zip/ZipAddCommon.cpp
@@ -18,6 +18,7 @@
 #include "../../Compress/LzmaEncoder.h"
 #include "../../Compress/PpmdZip.h"
 #include "../../Compress/XzEncoder.h"
+#include "../../Compress/ZstdEncoder.h"
 
 #include "../Common/InStreamWithCRC.h"
 
@@ -179,6 +180,7 @@ HRESULT CAddCommon::Set_Pre_CompressionResult(bool inSeqMode, bool outSeqMode, U
     case NCompressionMethod::kXz   : ver = NCompressionMethod::kExtractVersion_Xz; break;
     case NCompressionMethod::kPPMd : ver = NCompressionMethod::kExtractVersion_PPMd; break;
     case NCompressionMethod::kBZip2: ver = NCompressionMethod::kExtractVersion_BZip2; break;
+    case NCompressionMethod::kZstd: ver = NCompressionMethod::kExtractVersion_Zstd; break;
     case NCompressionMethod::kLZMA :
     {
       ver = NCompressionMethod::kExtractVersion_LZMA;
@@ -356,6 +358,12 @@ HRESULT CAddCommon::Compress(
             _lzmaEncoder = new CLzmaEncoder();
             _compressEncoder = _lzmaEncoder;
           }
+          else if (method == NCompressionMethod::kZstd)
+          {
+            _compressExtractVersion = NCompressionMethod::kExtractVersion_Zstd;
+            NCompress::NZSTD::CEncoder *encoder = new NCompress::NZSTD::CEncoder();
+            _compressEncoder = encoder;
+          }
           else if (method == NCompressionMethod::kXz)
           {
             _compressExtractVersion = NCompressionMethod::kExtractVersion_Xz;
diff --git a/CPP/7zip/Archive/Zip/ZipHandler.cpp b/CPP/7zip/Archive/Zip/ZipHandler.cpp
index a4794f51..6c029c05 100644
--- a/CPP/7zip/Archive/Zip/ZipHandler.cpp
+++ b/CPP/7zip/Archive/Zip/ZipHandler.cpp
@@ -23,6 +23,7 @@
 #include "../../Compress/PpmdZip.h"
 #include "../../Compress/ShrinkDecoder.h"
 #include "../../Compress/XzDecoder.h"
+#include "../../Compress/ZstdDecoder.h"
 
 #include "../../Crypto/WzAes.h"
 #include "../../Crypto/ZipCrypto.h"
@@ -746,6 +747,32 @@ STDMETHODIMP CHandler::Close()
   return S_OK;
 }
 
+class CZstdDecoder:
+  public ICompressCoder,
+  public CMyUnknownImp
+{
+  NCompress::NZSTD::CDecoder *DecoderSpec;
+  CMyComPtr<ICompressCoder> Decoder;
+public:
+  CZstdDecoder();
+  STDMETHOD(Code)(ISequentialInStream *inStream, ISequentialOutStream *outStream,
+      const UInt64 *inSize, const UInt64 *outSize, ICompressProgressInfo *progress);
+
+  MY_UNKNOWN_IMP
+};
+
+CZstdDecoder::CZstdDecoder()
+{
+  DecoderSpec = new NCompress::NZSTD::CDecoder;
+  Decoder = DecoderSpec;
+}
+
+HRESULT CZstdDecoder::Code(ISequentialInStream *inStream, ISequentialOutStream *outStream,
+    const UInt64 * /* inSize */, const UInt64 *outSize, ICompressProgressInfo *progress)
+{
+  return Decoder->Code(inStream, outStream, NULL, outSize, progress);
+}
+
 
 class CLzmaDecoder:
   public ICompressCoder,
@@ -1059,6 +1086,8 @@ HRESULT CZipDecoder::Decode(
       lzmaDecoderSpec = new CLzmaDecoder;
       mi.Coder = lzmaDecoderSpec;
     }
+    else if (id ==NFileHeader::NCompressionMethod::kZstd)
+      mi.Coder = new CZstdDecoder();
     else if (id == NFileHeader::NCompressionMethod::kXz)
       mi.Coder = new NCompress::NXz::CComDecoder;
     else if (id == NFileHeader::NCompressionMethod::kPPMd)
diff --git a/CPP/7zip/Archive/Zip/ZipHeader.h b/CPP/7zip/Archive/Zip/ZipHeader.h
index 5e6f00e4..f2e3ddc0 100644
--- a/CPP/7zip/Archive/Zip/ZipHeader.h
+++ b/CPP/7zip/Archive/Zip/ZipHeader.h
@@ -57,6 +57,7 @@ namespace NFileHeader
       kTerse = 18,
       kLz77 = 19,
       
+      kZstd = 93,
       kXz = 95,
       kJpeg = 96,
       kWavPack = 97,
@@ -77,6 +78,7 @@ namespace NFileHeader
     const Byte kExtractVersion_LZMA = 63;
     const Byte kExtractVersion_PPMd = 63;
     const Byte kExtractVersion_Xz = 20; // test it
+    const Byte kExtractVersion_Zstd = 20; // WinZip mark it
   }
 
   namespace NExtraID