diff --git a/SabreTools.Library/Data/Constants.cs b/SabreTools.Library/Data/Constants.cs
index 61c2201d..6d01f981 100644
--- a/SabreTools.Library/Data/Constants.cs
+++ b/SabreTools.Library/Data/Constants.cs
@@ -502,16 +502,26 @@ namespace SabreTools.Library.Data
 
 		#region Magic numbers
 
-		public static readonly byte[] SevenZipSignature = { 0x37, 0x7a, 0xbc, 0xaf, 0x27, 0x1c };
-		public readonly static byte[] CHDSignature = { 0x4d, 0x43, 0x6f, 0x6d, 0x70, 0x72, 0x48, 0x44 };
-		public static readonly byte[] GzSignature = { 0x1f, 0x8b };
-		public static readonly byte[] RarSignature = { 0x52, 0x61, 0x72, 0x21, 0x1a, 0x07, 0x00 };
-		public static readonly byte[] RarFiveSignature = { 0x52, 0x61, 0x72, 0x21, 0x1a, 0x07, 0x01, 0x00 };
-		public static readonly byte[] TarSignature = { 0x75, 0x73, 0x74, 0x61, 0x72, 0x20, 0x20, 0x00 };
-		public static readonly byte[] TarZeroSignature = { 0x75, 0x73, 0x74, 0x61, 0x72, 0x00, 0x30, 0x30 };
-		public static readonly byte[] ZipSignature = { 0x50, 0x4b, 0x03, 0x04 };
-		public static readonly byte[] ZipSignatureEmpty = { 0x50, 0x4b, 0x05, 0x06 };
-		public static readonly byte[] ZipSignatureSpanned = { 0x50, 0x4b, 0x07, 0x08 };
+		public static readonly byte[] SevenZipSignature =			{ 0x37, 0x7a, 0xbc, 0xaf, 0x27, 0x1c };
+		public static readonly byte[] BZ2Signature =				{ 0x42, 0x5a, 0x68 };
+		public static readonly byte[] CabinetSignature =			{ 0x4d, 0x53, 0x43, 0x46 };
+		public static readonly byte[] CHDSignature =				{ 0x4d, 0x43, 0x6f, 0x6d, 0x70, 0x72, 0x48, 0x44 };
+		public static readonly byte[] ELFSignature =				{ 0x7f, 0x45, 0x4c, 0x46 };
+		public static readonly byte[] GzSignature =					{ 0x1f, 0x8b };
+		public static readonly byte[] LRZipSignature =				{ 0x4c, 0x52, 0x5a, 0x49 };
+		public static readonly byte[] LZ4Signature =				{ 0x18, 0x4d, 0x22, 0x04 };
+		public static readonly byte[] LZ4SkippableMinSignature =	{ 0x18, 0x4d, 0x22, 0x04 };
+		public static readonly byte[] LZ4SkippableMaxSignature =	{ 0x18, 0x4d, 0x2a, 0x5f };
+		public static readonly byte[] RarSignature =				{ 0x52, 0x61, 0x72, 0x21, 0x1a, 0x07, 0x00 };
+		public static readonly byte[] RarFiveSignature =			{ 0x52, 0x61, 0x72, 0x21, 0x1a, 0x07, 0x01, 0x00 };
+		public static readonly byte[] TarSignature =				{ 0x75, 0x73, 0x74, 0x61, 0x72, 0x20, 0x20, 0x00 };
+		public static readonly byte[] TarZeroSignature =			{ 0x75, 0x73, 0x74, 0x61, 0x72, 0x00, 0x30, 0x30 };
+		public static readonly byte[] XZSignature =					{ 0xfd, 0x37, 0x7a, 0x58, 0x5a, 0x00, 0x00 };
+		public static readonly byte[] ZipSignature =				{ 0x50, 0x4b, 0x03, 0x04 };
+		public static readonly byte[] ZipSignatureEmpty =			{ 0x50, 0x4b, 0x05, 0x06 };
+		public static readonly byte[] ZipSignatureSpanned =			{ 0x50, 0x4b, 0x07, 0x08 };
+		public static readonly byte[] ZPAQSignature =				{ 0x7a, 0x50, 0x51 };
+		public static readonly byte[] ZstdSignature =				{ 0xfd, 0x2f, 0xb5 };
 
 		#endregion
 
diff --git a/SabreTools.Library/Tools/Utilities.cs b/SabreTools.Library/Tools/Utilities.cs
index e1eb5c2b..f40f76d4 100644
--- a/SabreTools.Library/Tools/Utilities.cs
+++ b/SabreTools.Library/Tools/Utilities.cs
@@ -473,7 +473,7 @@ namespace SabreTools.Library.Tools
 					archive = new TorrentZipArchive(input);
 					break;
 				default:
-					// We ignore these types for now
+					// We ignore all other types for now
 					break;
 			}
 
@@ -1339,18 +1339,44 @@ namespace SabreTools.Library.Tools
 				{
 					outFileType = FileType.GZipArchive;
 				}
-				else if (magic.StartsWith(Constants.RarSignature) || magic.StartsWith(Constants.RarFiveSignature))
+				else if (magic.StartsWith(Constants.LRZipSignature))
+				{
+					outFileType = FileType.LRZipArchive;
+				}
+				else if (magic.StartsWith(Constants.LZ4Signature)
+					|| magic.StartsWith(Constants.LZ4SkippableMinSignature)
+					|| magic.StartsWith(Constants.LZ4SkippableMaxSignature))
+				{
+					outFileType = FileType.LZ4Archive;
+				}
+				else if (magic.StartsWith(Constants.RarSignature)
+					|| magic.StartsWith(Constants.RarFiveSignature))
 				{
 					outFileType = FileType.RarArchive;
 				}
-				else if (magic.StartsWith(Constants.TarSignature) || magic.StartsWith(Constants.TarZeroSignature))
+				else if (magic.StartsWith(Constants.TarSignature)
+					|| magic.StartsWith(Constants.TarZeroSignature))
 				{
 					outFileType = FileType.TapeArchive;
 				}
-				else if (magic.StartsWith(Constants.ZipSignature) || magic.StartsWith(Constants.ZipSignatureEmpty) || magic.StartsWith(Constants.ZipSignatureSpanned))
+				else if (magic.StartsWith(Constants.XZSignature))
+				{
+					outFileType = FileType.XZArchive;
+				}
+				else if (magic.StartsWith(Constants.ZipSignature)
+					|| magic.StartsWith(Constants.ZipSignatureEmpty)
+					|| magic.StartsWith(Constants.ZipSignatureSpanned))
 				{
 					outFileType = FileType.ZipArchive;
 				}
+				else if (magic.StartsWith(Constants.ZPAQSignature))
+				{
+					outFileType = FileType.ZPAQArchive;
+				}
+				else if (magic.StartsWith(Constants.ZstdSignature))
+				{
+					outFileType = FileType.ZstdArchive;
+				}
 			}
 			catch (Exception)
 			{