diff --git a/src/Plugins/SimplnxCore/src/SimplnxCore/Filters/WriteASCIIDataFilter.cpp b/src/Plugins/SimplnxCore/src/SimplnxCore/Filters/WriteASCIIDataFilter.cpp
index aacf501b72..0bcaec1fb1 100644
--- a/src/Plugins/SimplnxCore/src/SimplnxCore/Filters/WriteASCIIDataFilter.cpp
+++ b/src/Plugins/SimplnxCore/src/SimplnxCore/Filters/WriteASCIIDataFilter.cpp
@@ -24,6 +24,7 @@ namespace
 {
 // Error Code constants
 constexpr nx::core::int32 k_UnmatchingTupleCountError = -51001;
+constexpr nx::core::int32 k_NoArraySelections = -51002;
 } // namespace
 
 namespace nx::core
@@ -118,6 +119,10 @@ IFilter::PreflightResult WriteASCIIDataFilter::preflightImpl(const DataStructure
   if(static_cast<WriteASCIIDataFilter::OutputStyle>(pOutputStyleValue) == WriteASCIIDataFilter::OutputStyle::SingleFile)
   {
     auto pSelectedDataArrayPathsValue = filterArgs.value<MultiArraySelectionParameter::ValueType>(k_SelectedDataArrayPaths_Key);
+    if(pSelectedDataArrayPathsValue.empty())
+    {
+      return MakePreflightErrorResult(k_NoArraySelections, "At least 1 data array must be selected");
+    }
 
     if(!CheckArraysHaveSameTupleCount(dataStructure, pSelectedDataArrayPathsValue))
     {
diff --git a/src/Plugins/SimplnxCore/src/SimplnxCore/Filters/WriteDREAM3DFilter.cpp b/src/Plugins/SimplnxCore/src/SimplnxCore/Filters/WriteDREAM3DFilter.cpp
index 2786e93d0a..3cedf6c845 100644
--- a/src/Plugins/SimplnxCore/src/SimplnxCore/Filters/WriteDREAM3DFilter.cpp
+++ b/src/Plugins/SimplnxCore/src/SimplnxCore/Filters/WriteDREAM3DFilter.cpp
@@ -57,9 +57,9 @@ Parameters WriteDREAM3DFilter::parameters() const
   Parameters params;
 
   params.insertSeparator(Parameters::Separator{"Input Parameters"});
-  params.insert(std::make_unique<FileSystemPathParameter>(k_ExportFilePath, "Export File Path", "The file path the DataStructure should be written to as an HDF5 file.", "",
-                                                          FileSystemPathParameter::ExtensionsType{".dream3d"}, FileSystemPathParameter::PathType::OutputFile));
-  params.insert(std::make_unique<BoolParameter>(k_WriteXdmf, "Write Xdmf File", "Whether or not to write the data out an xdmf file", true));
+  params.insert(std::make_unique<FileSystemPathParameter>(k_ExportFilePath, "Output File Path", "The file path the DataStructure should be written to as an HDF5 file.", "Untitled.dream3d",
+                                                          FileSystemPathParameter::ExtensionsType{".dream3d"}, FileSystemPathParameter::PathType::OutputFile, false));
+  params.insert(std::make_unique<BoolParameter>(k_WriteXdmf, "Write Xdmf File", "Whether or not to write the data out an XDMF file", true));
   return params;
 }
 
diff --git a/src/simplnx/Parameters/FileSystemPathParameter.cpp b/src/simplnx/Parameters/FileSystemPathParameter.cpp
index 8ddbbaa4c9..0b490498c9 100644
--- a/src/simplnx/Parameters/FileSystemPathParameter.cpp
+++ b/src/simplnx/Parameters/FileSystemPathParameter.cpp
@@ -52,6 +52,11 @@ Result<> ValidateInputDir(const FileSystemPathParameter::ValueType& path)
 //-----------------------------------------------------------------------------
 Result<> ValidateOutputFile(const FileSystemPathParameter::ValueType& path)
 {
+  if(fs::exists(path) && fs::is_directory(path))
+  {
+    return MakeErrorResult(-8, fmt::format("File System Path '{}' exists AND is a directory. The Parameter is set to save a file.", path.string()));
+  }
+
   auto result = FileUtilities::ValidateDirectoryWritePermission(path, true);
   if(result.invalid())
   {