Index: src/Deltares.DSoilModel.Data.Tests/DSoilModelIOTest.cs
===================================================================
diff -u -r348 -r368
--- src/Deltares.DSoilModel.Data.Tests/DSoilModelIOTest.cs	(.../DSoilModelIOTest.cs)	(revision 348)
+++ src/Deltares.DSoilModel.Data.Tests/DSoilModelIOTest.cs	(.../DSoilModelIOTest.cs)	(revision 368)
@@ -36,6 +36,29 @@
             Directory.Delete("TempFiles", true);
         }
 
+        [TestCase("Groot Salland.mdb", 65, 5, 1, 3, 2)]
+        [TestCase("Groot Salland.gdb", 65, 5, 1, 3, 2)]
+        [TestCase("FileNotFound", 0, 0, 0, 0, 0)]
+        public void TestAddOldProjectDataBaseToProject(string fileName, int soils, int profiles1D, int profiles2D, int cpts, int borings)
+        {
+            var project = new DSoilModelProject();
+            string filePath = Path.Combine(GetTestFilesPath(), fileName);
+            LogManager.Clear();
+            DSoilModelIO.AddOldProjectDataBaseToProject(filePath, project);
+            if (File.Exists(filePath))
+            {
+                Assert.AreEqual(soils, project.Soils.Soils.Count);
+                Assert.AreEqual(profiles1D, project.SoilProfiles1D.Count);
+                Assert.AreEqual(profiles2D, project.SoilProfiles2D.Count);
+                Assert.AreEqual(cpts, project.CPTs.Count);
+                Assert.AreEqual(borings, project.Borings.Count);
+            }
+            else
+            {
+                LogManager.Messages.Any(m => m.MessageType == LogMessageType.Error);
+            }
+        }
+
         [Test]
         public void ImportOfEmptyCsvFilesResultsInWarninLogMessage()
         {
Index: src/Deltares.DSoilModel.Data.Tests/Deltares.DSoilModel.Data.Tests.csproj
===================================================================
diff -u -r346 -r368
--- src/Deltares.DSoilModel.Data.Tests/Deltares.DSoilModel.Data.Tests.csproj	(.../Deltares.DSoilModel.Data.Tests.csproj)	(revision 346)
+++ src/Deltares.DSoilModel.Data.Tests/Deltares.DSoilModel.Data.Tests.csproj	(.../Deltares.DSoilModel.Data.Tests.csproj)	(revision 368)
@@ -134,6 +134,7 @@
     <None Include="TestFiles\DSoilModelsoilprofilesWithSoilTypesAndColor.csv" />
     <None Include="TestFiles\DSoilModelsoilprofilesWithSoilTypesAndColorUniqueSoils.csv" />
     <None Include="TestFiles\DSoilModelsurfacelines.csv" />
+    <None Include="TestFiles\Groot Salland.gdb" />
     <None Include="TestFiles\Missing profiles\1D_profiles.csv" />
     <None Include="TestFiles\Missing profiles\1D_profiles_2segmenten.csv" />
     <None Include="TestFiles\Missing profiles\Soilsegments.csv" />
@@ -153,10 +154,10 @@
   </ItemGroup>
   <ItemGroup />
   <ItemGroup>
-    <Content Include="TestFiles\AquiferTest.mdb" />
-    <Content Include="TestFiles\AquitardTest.mdb" />
+    <None Include="TestFiles\AquiferTest.mdb" />
+    <None Include="TestFiles\AquitardTest.mdb" />
     <Content Include="TestFiles\Dam Tutorial design\Stabiliteit\soilmaterials.mdb" />
-    <Content Include="TestFiles\Groot Salland.mdb" />
+    <None Include="TestFiles\Groot Salland.mdb" />
     <Content Include="TestFiles\Stabiliteit\soilmaterials.mdb" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
Index: src/Deltares.DSoilModel.Data.Tests/TestFiles/Groot Salland.gdb
===================================================================
diff -u -r25 -r368
Binary files differ
Index: data/D-Soil Model/SOS-data/SOSDatabase.soil
===================================================================
diff -u -r361 -r368
Binary files differ