diff --git a/CHANGELIST.md b/CHANGELIST.md
index 5daed0cc..08f07f4c 100644
--- a/CHANGELIST.md
+++ b/CHANGELIST.md
@@ -10,6 +10,8 @@
 - Cleanup !protectionInfo.txt (Deterous)
 - Update Redumper to build 311 (Deterous)
 - Use PSX/PS2 serial as filename when Volume Label not present (Deterous)
+- Allow variables in output path (Deterous)
+- Check for presence of complete dump from other programs (Deterous)
 
 ### 3.0.3 (2023-12-04)
 
diff --git a/MPF.Core/UI/ViewModels/MainViewModel.cs b/MPF.Core/UI/ViewModels/MainViewModel.cs
index 3c4a42a5..7c4d87f1 100644
--- a/MPF.Core/UI/ViewModels/MainViewModel.cs
+++ b/MPF.Core/UI/ViewModels/MainViewModel.cs
@@ -50,7 +50,7 @@ namespace MPF.Core.UI.ViewModels
         /// </summary>
         /// <remarks>
         /// T1 - Title to display to the user
-        /// T1 - Message to display to the user
+        /// T2 - Message to display to the user
         /// T3 - Number of default options to display
         /// T4 - true for inquiry, false otherwise
         /// TResult - true for positive, false for negative, null for neutral
@@ -1774,6 +1774,51 @@ namespace MPF.Core.UI.ViewModels
                 }
             }
 
+            // If a complete dump exists from a different program
+            InternalProgram? programFound = null;
+            if (programFound == null && _environment.InternalProgram != InternalProgram.Aaru)
+            {
+                Modules.Aaru.Parameters parameters = new("")
+                {
+                    Type = _environment.Type,
+                    System = _environment.System
+                };
+                (bool foundOtherFiles, _) = parameters.FoundAllFiles(outputDirectory, outputFilename, true);
+                if (foundOtherFiles)
+                    programFound = InternalProgram.Aaru;
+            }
+            if (programFound == null && _environment.InternalProgram != InternalProgram.DiscImageCreator)
+            {
+                Modules.DiscImageCreator.Parameters parameters = new("")
+                {
+                    Type = _environment.Type,
+                    System = _environment.System
+                };
+                (bool foundOtherFiles, _) = parameters.FoundAllFiles(outputDirectory, outputFilename, true);
+                if (foundOtherFiles)
+                    programFound = InternalProgram.DiscImageCreator;
+            }
+            if (programFound == null && _environment.InternalProgram != InternalProgram.Redumper)
+            {
+                Modules.Redumper.Parameters parameters = new("")
+                {
+                    Type = _environment.Type,
+                    System = _environment.System
+                };
+                (bool foundOtherFiles, _) = parameters.FoundAllFiles(outputDirectory, outputFilename, true);
+                if (foundOtherFiles)
+                    programFound = InternalProgram.Redumper;
+            }
+            if (programFound != null && _displayUserMessage != null)
+            {
+                bool? mbresult = _displayUserMessage("Overwrite?", $"A complete dump from {programFound} already exists! Dumping here may cause issues. Are you sure you want to overwrite?", 2, true);
+                if (mbresult != true)
+                {
+                    LogLn("Dumping aborted!");
+                    return false;
+                }
+            }
+
             // Validate that at least some space exists
             // TODO: Tie this to the size of the disc, type of disc, etc.
             string fullPath;