diff --git a/@Cell/upgrade.m b/@Cell/upgrade.m
new file mode 100644
index 0000000000000000000000000000000000000000..6e93e21ae361228d890f4ffe1c55f5b20536c7e0
--- /dev/null
+++ b/@Cell/upgrade.m
@@ -0,0 +1,18 @@
+%% upgrade
+%    Preforms any necessary upgrades to the TET to comply with the latest version.
+% inputs:
+%   object - Cell object
+% outputs:
+%   none
+% Author: Matthew Dawson <matthew@mjdsystems.ca>
+% Organization: McMaster Centre for Software Certification
+function  upgrade( object )
+if iscell(object.cond_text)
+    object.cond_text = object.cond_text{1};
+end
+
+for i=1:size(object.subgrid,2)
+    object.subgrid(i).upgrade;
+end
+end
+
diff --git a/@Data/upgrade.m b/@Data/upgrade.m
new file mode 100644
index 0000000000000000000000000000000000000000..97dd07a633ef2ce3d166aa730b9ca2ed53572212
--- /dev/null
+++ b/@Data/upgrade.m
@@ -0,0 +1,15 @@
+%% upgrade
+%    Preforms any necessary upgrades to the TET to comply with the latest version.
+% inputs:
+%   object - Data object
+% outputs:
+%   none
+% Author: Matthew Dawson <matthew@mjdsystems.ca>
+% Organization: McMaster Centre for Software Certification
+function upgrade( object )
+object.Grid0.upgrade
+
+object.Grid1.upgrade
+object.Grid2.upgrade
+end
+
diff --git a/@Grid/upgrade.m b/@Grid/upgrade.m
new file mode 100644
index 0000000000000000000000000000000000000000..55aa1a7b3df8de17573a7b4d4defb98835e37f45
--- /dev/null
+++ b/@Grid/upgrade.m
@@ -0,0 +1,16 @@
+%% upgrade
+%    Preforms any necessary upgrades to the TET to comply with the latest version.
+% inputs:
+%   object - Grid object
+% outputs:
+%   none
+% Author: Matthew Dawson <matthew@mjdsystems.ca>
+% Organization: McMaster Centre for Software Certification
+function upgrade( object )
+
+for i=1:size(object.cells, 2)
+    object.cells(i).upgrade
+end
+
+end
+
diff --git a/@RCell/upgrade.m b/@RCell/upgrade.m
new file mode 100644
index 0000000000000000000000000000000000000000..4dfaf38556a9347d13d955473327d4c8e5b28898
--- /dev/null
+++ b/@RCell/upgrade.m
@@ -0,0 +1,14 @@
+%% upgrade
+%    Preforms any necessary upgrades to the TET to comply with the latest version.
+% inputs:
+%   object - RCell object
+% outputs:
+%   none
+% Author: Matthew Dawson <matthew@mjdsystems.ca>
+% Organization: McMaster Centre for Software Certification
+function  upgrade( object )
+    if iscell(object.result_text)
+        object.result_text = object.result_text{1};
+    end
+end
+
diff --git a/@RGrid/upgrade.m b/@RGrid/upgrade.m
new file mode 100644
index 0000000000000000000000000000000000000000..19db683724a030b043b1492915116e2d19cff0f5
--- /dev/null
+++ b/@RGrid/upgrade.m
@@ -0,0 +1,14 @@
+%% upgrade
+%    Preforms any necessary upgrades to the TET to comply with the latest version.
+% inputs:
+%   object - RGrid object
+% outputs:
+%   none
+% Author: Matthew Dawson <matthew@mjdsystems.ca>
+% Organization: McMaster Centre for Software Certification
+function upgrade( object )
+for i = 1:size(object.Cells, 2)
+    object.Cells(i).upgrade;
+end
+end
+
diff --git a/TTdiag.m b/TTdiag.m
index 5b8b91517030c2c99fbba1ad8f3f1e30c2985613..10c27e6a2be4791fe82e053df2fc7d0cf409e38e 100644
--- a/TTdiag.m
+++ b/TTdiag.m
@@ -123,6 +123,8 @@ else
             figure(data.fig);
             return            
         end
+    else
+        data.upgrade
     end
     
 end