diff --git a/src/activities/Elsa.Activities.File/Activities/OutFile/OutFile.cs b/src/activities/Elsa.Activities.File/Activities/OutFile/OutFile.cs
index 88441d7fb..1194f53a7 100644
--- a/src/activities/Elsa.Activities.File/Activities/OutFile/OutFile.cs
+++ b/src/activities/Elsa.Activities.File/Activities/OutFile/OutFile.cs
@@ -17,8 +17,8 @@ namespace Elsa.Activities.File
         Outcomes = new[] { OutcomeNames.Done })]
     public class OutFile : Activity
     {
-        [ActivityInput(Hint = "Content of the file.", UIHint = ActivityInputUIHints.MultiLine, SupportedSyntaxes = new[] { SyntaxNames.JavaScript, SyntaxNames.Liquid })]
-        public string Content { get; set; }
+        [ActivityInput(Hint = "Data to write to file.", SupportedSyntaxes = new[] { SyntaxNames.JavaScript, SyntaxNames.Liquid })]
+        public byte[] Data { get; set; }
 
         [ActivityInput(Hint = "Path to create file at.", UIHint = ActivityInputUIHints.SingleLine, SupportedSyntaxes = new[] { SyntaxNames.JavaScript, SyntaxNames.Liquid })]
         public string Path { get; set; }
@@ -49,10 +49,8 @@ namespace Elsa.Activities.File
             }
 
             using (var fs = new FileStream(Path, fileMode, fileAccess))
-            using (var sw = new StreamWriter(fs))
             {
-                await sw.WriteLineAsync(Content);
-                await sw.FlushAsync();
+                await fs.WriteAsync(Data);
                 await fs.FlushAsync();
             }
 
diff --git a/src/activities/Elsa.Activities.File/Activities/OutFile/OutFileBuilderExtensions.cs b/src/activities/Elsa.Activities.File/Activities/OutFile/OutFileBuilderExtensions.cs
index 6465197ad..659d7da74 100644
--- a/src/activities/Elsa.Activities.File/Activities/OutFile/OutFileBuilderExtensions.cs
+++ b/src/activities/Elsa.Activities.File/Activities/OutFile/OutFileBuilderExtensions.cs
@@ -13,41 +13,41 @@ namespace Elsa.Activities.File
     {
         public static IActivityBuilder OutFile(this IBuilder builder, Action<ISetupActivity<OutFile>> setup, [CallerLineNumber] int lineNumber = default, [CallerFilePath] string? sourceFile = default) => builder.Then(setup, null, lineNumber, sourceFile);
 
-        public static IActivityBuilder OutFile(this IBuilder builder, Func<ActivityExecutionContext, string> content, Func<ActivityExecutionContext, string> path, Func<ActivityExecutionContext, CopyMode> mode, [CallerLineNumber] int lineNumber = default, [CallerFilePath] string? sourceFile = default) =>
+        public static IActivityBuilder OutFile(this IBuilder builder, Func<ActivityExecutionContext, byte[]> data, Func<ActivityExecutionContext, string> path, Func<ActivityExecutionContext, CopyMode> mode, [CallerLineNumber] int lineNumber = default, [CallerFilePath] string? sourceFile = default) =>
             builder.OutFile(activity => activity
-                    .Set(x => x.Content, content)
+                    .Set(x => x.Data, data)
                     .Set(x => x.Path, path)
                     .Set(x => x.Mode, mode), 
                 lineNumber, 
                 sourceFile);
 
-        public static IActivityBuilder OutFile(this IBuilder builder, Func<ActivityExecutionContext, ValueTask<string>> content, Func<ActivityExecutionContext, ValueTask<string>> path, Func<ActivityExecutionContext, ValueTask<CopyMode>> mode, [CallerLineNumber] int lineNumber = default, [CallerFilePath] string? sourceFile = default) =>
+        public static IActivityBuilder OutFile(this IBuilder builder, Func<ActivityExecutionContext, ValueTask<byte[]>> data, Func<ActivityExecutionContext, ValueTask<string>> path, Func<ActivityExecutionContext, ValueTask<CopyMode>> mode, [CallerLineNumber] int lineNumber = default, [CallerFilePath] string? sourceFile = default) =>
             builder.OutFile(activity => activity
-                    .Set(x => x.Content, content)
+                    .Set(x => x.Data, data)
                     .Set(x => x.Path, path)
                     .Set(x => x.Mode, mode),
                 lineNumber,
                 sourceFile);
 
-        public static IActivityBuilder OutFile(this IBuilder builder, Func<string> content, Func<string> path, Func<CopyMode> mode, [CallerLineNumber] int lineNumber = default, [CallerFilePath] string? sourceFile = default) =>
+        public static IActivityBuilder OutFile(this IBuilder builder, Func<byte[]> data, Func<string> path, Func<CopyMode> mode, [CallerLineNumber] int lineNumber = default, [CallerFilePath] string? sourceFile = default) =>
             builder.OutFile(activity => activity
-                    .Set(x => x.Content, content)
+                    .Set(x => x.Data, data)
                     .Set(x => x.Path, path)
                     .Set(x => x.Mode, mode),
                 lineNumber,
                 sourceFile);
 
-        public static IActivityBuilder OutFile(this IBuilder builder, Func<ValueTask<string>> content, Func<ValueTask<string>> path, Func<ValueTask<CopyMode>> mode, [CallerLineNumber] int lineNumber = default, [CallerFilePath] string? sourceFile = default) =>
+        public static IActivityBuilder OutFile(this IBuilder builder, Func<ValueTask<byte[]>> data, Func<ValueTask<string>> path, Func<ValueTask<CopyMode>> mode, [CallerLineNumber] int lineNumber = default, [CallerFilePath] string? sourceFile = default) =>
             builder.OutFile(activity => activity
-                    .Set(x => x.Content, content)
+                    .Set(x => x.Data, data)
                     .Set(x => x.Path, path)
                     .Set(x => x.Mode, mode),
                 lineNumber,
                 sourceFile);
 
-        public static IActivityBuilder OutFile(this IBuilder builder, string content, string path, CopyMode mode, [CallerLineNumber] int lineNumber = default, [CallerFilePath] string? sourceFile = default) =>
+        public static IActivityBuilder OutFile(this IBuilder builder, byte[] data, string path, CopyMode mode, [CallerLineNumber] int lineNumber = default, [CallerFilePath] string? sourceFile = default) =>
             builder.OutFile(activity => activity
-                    .Set(x => x.Content, content)
+                    .Set(x => x.Data, data)
                     .Set(x => x.Path, path)
                     .Set(x => x.Mode, mode),
                 lineNumber,
diff --git a/src/activities/Elsa.Activities.File/Activities/OutFile/OutFileExtensions.cs b/src/activities/Elsa.Activities.File/Activities/OutFile/OutFileExtensions.cs
index 3c74baca9..16823318a 100644
--- a/src/activities/Elsa.Activities.File/Activities/OutFile/OutFileExtensions.cs
+++ b/src/activities/Elsa.Activities.File/Activities/OutFile/OutFileExtensions.cs
@@ -10,12 +10,12 @@ namespace Elsa.Activities.File
 {
     public static class OutFileExtensions
     {
-        #region Content
-        public static ISetupActivity<OutFile> WithContent(this ISetupActivity<OutFile> setup, Func<ActivityExecutionContext, ValueTask<string>> content) => setup.Set(x => x.Content, content);
-        public static ISetupActivity<OutFile> WithContent(this ISetupActivity<OutFile> setup, Func<ActivityExecutionContext, string> content) => setup.Set(x => x.Content, content);
-        public static ISetupActivity<OutFile> WithContent(this ISetupActivity<OutFile> setup, Func<ValueTask<string>> content) => setup.Set(x => x.Content, content);
-        public static ISetupActivity<OutFile> WithContent(this ISetupActivity<OutFile> setup, Func<string> content) => setup.Set(x => x.Content, content);
-        public static ISetupActivity<OutFile> WithContent(this ISetupActivity<OutFile> setup, string content) => setup.Set(x => x.Content, content);
+        #region Data
+        public static ISetupActivity<OutFile> WithContent(this ISetupActivity<OutFile> setup, Func<ActivityExecutionContext, ValueTask<byte[]>> data) => setup.Set(x => x.Data, data);
+        public static ISetupActivity<OutFile> WithContent(this ISetupActivity<OutFile> setup, Func<ActivityExecutionContext, byte[]> data) => setup.Set(x => x.Data, data);
+        public static ISetupActivity<OutFile> WithContent(this ISetupActivity<OutFile> setup, Func<ValueTask<byte[]>> data) => setup.Set(x => x.Data, data);
+        public static ISetupActivity<OutFile> WithContent(this ISetupActivity<OutFile> setup, Func<byte[]> data) => setup.Set(x => x.Data, data);
+        public static ISetupActivity<OutFile> WithContent(this ISetupActivity<OutFile> setup, byte[] data) => setup.Set(x => x.Data, data);
         #endregion
 
         #region Path
diff --git a/src/activities/Elsa.Activities.File/Activities/ReadFile/ReadFile.cs b/src/activities/Elsa.Activities.File/Activities/ReadFile/ReadFile.cs
index b758b63bb..9abdc30f6 100644
--- a/src/activities/Elsa.Activities.File/Activities/ReadFile/ReadFile.cs
+++ b/src/activities/Elsa.Activities.File/Activities/ReadFile/ReadFile.cs
@@ -21,8 +21,8 @@ namespace Elsa.Activities.File
 
         public async override ValueTask<IActivityExecutionResult> ExecuteAsync(ActivityExecutionContext context)
         {
-            var content = await System.IO.File.ReadAllTextAsync(Path);
-            return Done(content);
+            var data = await System.IO.File.ReadAllBytesAsync(Path);
+            return Done(data);
         }
     }
 }
diff --git a/src/samples/console/Elsa.Samples.ReadLineToFile/ReadLineToFileWorkflow.cs b/src/samples/console/Elsa.Samples.ReadLineToFile/ReadLineToFileWorkflow.cs
index 89e47feed..d11a29a28 100644
--- a/src/samples/console/Elsa.Samples.ReadLineToFile/ReadLineToFileWorkflow.cs
+++ b/src/samples/console/Elsa.Samples.ReadLineToFile/ReadLineToFileWorkflow.cs
@@ -21,7 +21,7 @@ namespace Elsa.Samples.ReadLineToFile
                 .WithName("TempFile")
                 .OutFile(setup =>
                 {
-                    setup.WithContent(context => context.GetOutputFrom<string>("ReadLine"));
+                    setup.WithContent(context => System.Text.Encoding.UTF8.GetBytes(context.GetOutputFrom<string>("ReadLine")));
                     setup.WithPath(context => context.GetOutputFrom<string>("TempFile"));
                     setup.WithMode(CopyMode.Overwrite);
                 })