diff --git a/.github/workflows/analyze.yaml b/.github/workflows/analyze.yaml
index 7f16f10b6d..b5c607a05c 100644
--- a/.github/workflows/analyze.yaml
+++ b/.github/workflows/analyze.yaml
@@ -39,6 +39,8 @@ jobs:
           prerelease: true
           outputFormat: Sarif
           outputPath: reports/ps-rule-results.sarif
+        env:
+          PSRULE_INPUT_FILEOBJECTS: true
 
       - name: Upload results to security tab
         uses: github/codeql-action/upload-sarif@v3
diff --git a/docs/CHANGELOG-v3.md b/docs/CHANGELOG-v3.md
index 483ff39f8f..b7fe0f226e 100644
--- a/docs/CHANGELOG-v3.md
+++ b/docs/CHANGELOG-v3.md
@@ -43,6 +43,8 @@ What's changed since pre-release v3.0.0-B0198:
 - Bug fixes:
   - Fixed reason reported for `startsWith` by @BernieWhite.
     [#1818](https://github.com/microsoft/PSRule/issues/1818)
+  - Fixes CSV output of multiple lines by @BernieWhite.
+    [#1627](https://github.com/microsoft/PSRule/issues/1627)
 
 ## v3.0.0-B0198 (pre-release)
 
diff --git a/pipeline.build.ps1 b/pipeline.build.ps1
index bac7c112ef..9ec61e5b85 100644
--- a/pipeline.build.ps1
+++ b/pipeline.build.ps1
@@ -322,7 +322,7 @@ task Rules {
         As = 'Summary'
     }
     Import-Module (Join-Path -Path $PWD -ChildPath out/modules/PSRule) -Force;
-    Assert-PSRule @assertParams -OutputPath reports/ps-rule-file.xml -InputPath $PWD -ErrorAction Stop;
+    Assert-PSRule @assertParams -OutputPath reports/ps-rule-file.xml -InputPath $PWD -ErrorAction Stop -Option @{ 'Input.FileObjects' = $True };
 }
 
 task Benchmark {
diff --git a/schemas/PSRule-options.schema.json b/schemas/PSRule-options.schema.json
index d7ad1d4d69..953957e58e 100644
--- a/schemas/PSRule-options.schema.json
+++ b/schemas/PSRule-options.schema.json
@@ -553,7 +553,7 @@
           "type": "boolean",
           "title": "File objects",
           "description": "Determines if file objects are processed by rules.",
-          "markdownDescription": "Determines if file objects are processed by rules. [See help](https://microsoft.github.io/PSRule/v3/concepts/PSRule/en-US/about_PSRule_Options/#fileobjects)",
+          "markdownDescription": "Determines if file objects are processed by rules. [See help](https://microsoft.github.io/PSRule/v3/concepts/PSRule/en-US/about_PSRule_Options/#inputfileobjects)",
           "default": false
         },
         "format": {
diff --git a/src/PSRule/Pipeline/Output/CsvOutputWriter.cs b/src/PSRule/Pipeline/Output/CsvOutputWriter.cs
index d3ac2dfad5..c629dbc003 100644
--- a/src/PSRule/Pipeline/Output/CsvOutputWriter.cs
+++ b/src/PSRule/Pipeline/Output/CsvOutputWriter.cs
@@ -25,7 +25,7 @@ internal CsvOutputWriter(PipelineWriter inner, PSRuleOption option, ShouldProces
     protected override string Serialize(object[] o)
     {
         WriteHeader();
-        if (Option.Output.As == ResultFormat.Detail)
+        if (Option.Output.As.GetValueOrDefault(OutputOption.Default.As.Value) == ResultFormat.Detail)
             WriteDetail(o);
         else
             WriteSummary(o);
@@ -127,7 +127,11 @@ private void WriteColumn(string value)
             return;
 
         _Builder.Append(QUOTE);
-        _Builder.Append(value.Replace("\"", "\"\""));
+        _Builder.Append(value
+            .Replace("\"", "\"\"").Replace("\r\n", " ")
+            .Replace('\r', ' ').Replace('\n', ' ')
+            .Replace("  ", " ")
+        );
         _Builder.Append(QUOTE);
     }
 
@@ -136,8 +140,6 @@ private void WriteColumn(InfoString value)
         if (!value.HasValue)
             return;
 
-        _Builder.Append(QUOTE);
-        _Builder.Append(value.Text.Replace("\"", "\"\""));
-        _Builder.Append(QUOTE);
+        WriteColumn(value.Text);
     }
 }
diff --git a/tests/PSRule.Tests/OutputWriterTests.cs b/tests/PSRule.Tests/OutputWriterTests.cs
index db1c57b0b5..8284845478 100644
--- a/tests/PSRule.Tests/OutputWriterTests.cs
+++ b/tests/PSRule.Tests/OutputWriterTests.cs
@@ -118,7 +118,10 @@ public void Yaml()
     reason: []
   info:
     moduleName: TestModule
-    recommendation: Recommendation for rule 001
+    recommendation: >-
+      Recommendation for rule 001
+
+      over two lines.
   level: Error
   outcome: Pass
   outcomeReason: Processed
@@ -216,7 +219,7 @@ public void Json()
       ""displayName"": ""Rule 001"",
       ""moduleName"": ""TestModule"",
       ""name"": ""rule-001"",
-      ""recommendation"": ""Recommendation for rule 001"",
+      ""recommendation"": ""Recommendation for rule 001\r\nover two lines."",
       ""synopsis"": ""This is rule 001.""
     },
     ""level"": ""Error"",
@@ -340,6 +343,32 @@ public void NUnit3()
         Assert.Equal("<test-suite type=\"TestFixture\" name=\"TestObject1\" executed=\"True\" result=\"Failure\" success=\"False\" time=\"3.5\" asserts=\"3\" description=\"\"><results><test-case description=\"This is rule 001.\" name=\"TestObject1 -- rule-001\" time=\"0.5\" asserts=\"0\" success=\"True\" result=\"Success\" executed=\"True\" /><test-case description=\"This is rule 002.\" name=\"TestObject1 -- rule-002\" time=\"1\" asserts=\"0\" success=\"False\" result=\"Failure\" executed=\"True\"><failure><message><![CDATA[Recommendation for rule 002\r\n]]></message><stack-trace><![CDATA[]]></stack-trace></failure></test-case><test-case description=\"This is rule 002.\" name=\"TestObject1 -- rule-002\" time=\"1\" asserts=\"0\" success=\"False\" result=\"Failure\" executed=\"True\"><failure><message><![CDATA[Recommendation for rule 002\r\n]]></message><stack-trace><![CDATA[]]></stack-trace></failure></test-case><test-case description=\"Synopsis &quot;with quotes&quot;.\" name=\"TestObject1 -- rule-002\" time=\"1\" asserts=\"0\" success=\"False\" result=\"Failure\" executed=\"True\"><failure><message><![CDATA[Recommendation for rule 002\r\n]]></message><stack-trace><![CDATA[]]></stack-trace></failure></test-case></results></test-suite>", xml);
     }
 
+    [Fact]
+    public void Csv()
+    {
+        var option = GetOption();
+        option.Repository.Url = "https://github.com/microsoft/PSRule.UnitTest";
+        var output = new TestWriter(option);
+        var result = new InvokeResult();
+        result.Add(GetPass());
+        result.Add(GetFail());
+        result.Add(GetFail("rid-003", SeverityLevel.Warning));
+        result.Add(GetFail("rid-004", SeverityLevel.Information));
+        var writer = new CsvOutputWriter(output, option, null);
+        writer.Begin();
+        writer.WriteObject(result, false);
+        writer.End();
+
+        var actual = output.Output.OfType<string>().FirstOrDefault();
+
+        Assert.Equal(@"RuleName,TargetName,TargetType,Outcome,Synopsis,Recommendation
+""rule-001"",""TestObject1"",""TestType"",""Pass"",""Processed"",""This is rule 001."",""Recommendation for rule 001 over two lines.""
+""rule-002"",""TestObject1"",""TestType"",""Fail"",""Processed"",""This is rule 002."",""Recommendation for rule 002""
+""rule-002"",""TestObject1"",""TestType"",""Fail"",""Processed"",""This is rule 002."",""Recommendation for rule 002""
+""rule-002"",""TestObject1"",""TestType"",""Fail"",""Processed"",""This is rule 002."",""Recommendation for rule 002""
+", actual);
+    }
+
     [Fact]
     public void JobSummary()
     {
@@ -367,7 +396,8 @@ public void JobSummary()
 
     private static RuleRecord GetPass()
     {
-        return new RuleRecord(
+        return new RuleRecord
+        (
             runId: "run-001",
             ruleId: ResourceId.Parse("TestModule\\rule-001"),
             @ref: null,
@@ -375,12 +405,13 @@ private static RuleRecord GetPass()
             targetName: "TestObject1",
             targetType: "TestType",
             tag: new ResourceTags(),
-            info: new RuleHelpInfo(
+            info: new RuleHelpInfo
+            (
                 "rule-001",
                 "Rule 001",
                 "TestModule",
                 synopsis: new InfoString("This is rule 001."),
-                recommendation: new InfoString("Recommendation for rule 001")
+                recommendation: new InfoString("Recommendation for rule 001\r\nover two lines.")
             ),
             field: new Hashtable(),
             level: SeverityLevel.Error,
diff --git a/tests/PSRule.Tests/PSRule.Common.Tests.ps1 b/tests/PSRule.Tests/PSRule.Common.Tests.ps1
index 0d41007562..25e83c50ae 100644
--- a/tests/PSRule.Tests/PSRule.Common.Tests.ps1
+++ b/tests/PSRule.Tests/PSRule.Common.Tests.ps1
@@ -642,7 +642,7 @@ Describe 'Invoke-PSRule' -Tag 'Invoke-PSRule','Common' {
             $resultCsv[1].Synopsis | Should -Be 'Test rule 3';
             $resultCsv[2].RuleName | Should -Be 'WithCsv';
             $resultCsv[2].Synopsis | Should -Be 'This is "a" synopsis.';
-            ($resultCsv[2].Recommendation -replace "`r`n", "`n") | Should -Be "This is an extended recommendation.`n`n- That includes line breaks`n- And lists";
+            ($resultCsv[2].Recommendation -replace "`r`n", "`n") | Should -Be "This is an extended recommendation. - That includes line breaks - And lists";
 
             # Summary
             $result = $testObject | Invoke-PSRule @option -As Summary | Out-String;
@@ -659,7 +659,7 @@ Describe 'Invoke-PSRule' -Tag 'Invoke-PSRule','Common' {
             $resultCsv[1].Fail | Should -Be '1';
             $resultCsv[2].RuleName | Should -Be 'WithCsv';
             $resultCsv[2].Synopsis | Should -Be 'This is "a" synopsis.';
-            ($resultCsv[2].Recommendation -replace "`r`n", "`n") | Should -Be "This is an extended recommendation.`n`n- That includes line breaks`n- And lists";
+            ($resultCsv[2].Recommendation -replace "`r`n", "`n") | Should -Be "This is an extended recommendation. - That includes line breaks - And lists";
         }
 
         It 'Sarif' {