diff --git a/ApplicationCode/Commands/RicImportObservedDataFeature.cpp b/ApplicationCode/Commands/RicImportObservedDataFeature.cpp
index 6b8d6da270..77a5b1fcf5 100644
--- a/ApplicationCode/Commands/RicImportObservedDataFeature.cpp
+++ b/ApplicationCode/Commands/RicImportObservedDataFeature.cpp
@@ -82,7 +82,7 @@ void RicImportObservedDataFeature::selectObservedDataFileInDialog()
     {
         QMessageBox msgBox;
         msgBox.setIcon(QMessageBox::Warning);
-        msgBox.setText("Errors detected during import");
+        msgBox.setText("Errors detected during import                                                 ");
         msgBox.setDetailedText(aggregatedErrorStrings);
         msgBox.exec();
     }
diff --git a/ApplicationCode/ProjectDataModel/Summary/RimObservedDataCollection.cpp b/ApplicationCode/ProjectDataModel/Summary/RimObservedDataCollection.cpp
index 0abe9d12ac..08646f5ea9 100644
--- a/ApplicationCode/ProjectDataModel/Summary/RimObservedDataCollection.cpp
+++ b/ApplicationCode/ProjectDataModel/Summary/RimObservedDataCollection.cpp
@@ -135,6 +135,13 @@ RimObservedData* RimObservedDataCollection::createAndAddObservedDataFromFileName
 
             this->updateConnectedEditors();
         }
+        else
+        {
+            if (errorText)
+            {
+                errorText->append("Not able to import file. Make sure '*.rsm' is used as extension if data is in RMS format.");
+            }
+        }
     }
 
     return observedData;