microsoft · dassayantan24 · Jun 17, 2025
@@ -3,15 +3,16 @@
   License for use and distribution
   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-  7-Zip Copyright (C) 1999-2019 Igor Pavlov.
+  7-Zip Copyright (C) 1999-2024 Igor Pavlov.
 
   The licenses for files are:
 
-    1) 7z.dll:
+    - 7z.dll:
          - The "GNU LGPL" as main license for most of the code
          - The "GNU LGPL" with "unRAR license restriction" for some code
          - The "BSD 3-clause License" for some code
-    2) All other files: the "GNU LGPL".
+         - The "BSD 2-clause License" for some code
+    - All other files: the "GNU LGPL".
 
   Redistributions in binary form must reproduce related license information from this file.
 
@@ -20,8 +21,8 @@
     organization. You don't need to register or pay for 7-Zip.
 
 
-  GNU LGPL information
-  --------------------
+GNU LGPL information
+--------------------
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Lesser General Public
@@ -39,52 +40,107 @@
 
 
 
-  BSD 3-clause License
-  --------------------
+BSD 3-clause License in 7-Zip code
+----------------------------------
 
-    The "BSD 3-clause License" is used for the code in 7z.dll that implements LZFSE data decompression.
-    That code was derived from the code in the "LZFSE compression library" developed by Apple Inc,
-    that also uses the "BSD 3-clause License":
+  The "BSD 3-clause License" is used for the following code in 7z.dll
+    1) LZFSE data decompression.
+       That code was derived from the code in the "LZFSE compression library" developed by Apple Inc,
+       that also uses the "BSD 3-clause License".
+    2) ZSTD data decompression.
+       that code was developed using original zstd decoder code as reference code.
+       The original zstd decoder code was developed by Facebook Inc,
+       that also uses the "BSD 3-clause License".
 
-    ----
-    Copyright (c) 2015-2016, Apple Inc. All rights reserved.
+  Copyright (c) 2015-2016, Apple Inc. All rights reserved.
+  Copyright (c) Facebook, Inc. All rights reserved.
+  Copyright (c) 2023-2024 Igor Pavlov.
 
-    Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
+Text of the "BSD 3-clause License"
+----------------------------------
 
-    1.  Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
 
-    2.  Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer
-        in the documentation and/or other materials provided with the distribution.
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
 
-    3.  Neither the name of the copyright holder(s) nor the names of any contributors may be used to endorse or promote products derived
-        from this software without specific prior written permission.
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
 
-    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
-    COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-    HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-    ----
+3. Neither the name of the copyright holder nor the names of its contributors may
+   be used to endorse or promote products derived from this software without
+   specific prior written permission.
 
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+---
 
 
-  unRAR license restriction
-  -------------------------
 
-    The decompression engine for RAR archives was developed using source
-    code of unRAR program.
-    All copyrights to original unRAR code are owned by Alexander Roshal.
 
-    The license for original unRAR code has the following restriction:
+BSD 2-clause License in 7-Zip code
+----------------------------------
 
-      The unRAR sources cannot be used to re-create the RAR compression algorithm,
-      which is proprietary. Distribution of modified unRAR sources in separate form
-      or as a part of other software is permitted, provided that it is clearly
-      stated in the documentation and source comments that the code may
-      not be used to develop a RAR (WinRAR) compatible archiver.
+  The "BSD 2-clause License" is used for the XXH64 code in 7-Zip.
 
+  XXH64 code in 7-Zip was derived from the original XXH64 code developed by Yann Collet.
 
-  --
-  Igor Pavlov
+  Copyright (c) 2012-2021 Yann Collet.
+  Copyright (c) 2023-2024 Igor Pavlov.
+
+Text of the "BSD 2-clause License"
+----------------------------------
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+---
+
+
+
+
+unRAR license restriction
+-------------------------
+
+The decompression engine for RAR archives was developed using source
+code of unRAR program.
+All copyrights to original unRAR code are owned by Alexander Roshal.
+
+The license for original unRAR code has the following restriction:
+
+  The unRAR sources cannot be used to re-create the RAR compression algorithm,
+  which is proprietary. Distribution of modified unRAR sources in separate form
+  or as a part of other software is permitted, provided that it is clearly
+  stated in the documentation and source comments that the code may
+  not be used to develop a RAR (WinRAR) compatible archiver.
+
+--