diff --git a/Developer/Resources/WorkspaceStyles.wl b/Developer/Resources/WorkspaceStyles.wl
index 453fceed..2ac32805 100644
--- a/Developer/Resources/WorkspaceStyles.wl
+++ b/Developer/Resources/WorkspaceStyles.wl
@@ -27,6 +27,13 @@ Cell[
 ]
 
 
+(* Ensure that raw cell expressions can be toggled back to formatted view: *)
+Cell[
+    StyleData[ "CellExpression" ],
+    Selectable -> True
+]
+
+
 Cell[
     StyleData[ "WorkspaceChatStyleSheetInformation" ],
     TaggingRules -> <| "WorkspaceChatStyleSheetVersion" -> $stylesheetVersion |>
diff --git a/FrontEnd/Assets/Extensions/CoreExtensions.nb b/FrontEnd/Assets/Extensions/CoreExtensions.nb
index 80819bdd..b10571b2 100644
--- a/FrontEnd/Assets/Extensions/CoreExtensions.nb
+++ b/FrontEnd/Assets/Extensions/CoreExtensions.nb
@@ -11,7 +11,7 @@ Notebook[
   Cell["Chatbook Core.nb Extensions", "Title"],
   Cell[
    StyleData["ChatStyleSheetInformation"],
-   TaggingRules -> <|"StyleSheetVersion" -> "1.5.2.3940399854"|>
+   TaggingRules -> <|"StyleSheetVersion" -> "1.5.2.3940575613"|>
   ],
   Cell[
    StyleData["NotebookAssistant`Text"],
diff --git a/FrontEnd/StyleSheets/Chatbook.nb b/FrontEnd/StyleSheets/Chatbook.nb
index 23fe8f0f..45c13798 100644
--- a/FrontEnd/StyleSheets/Chatbook.nb
+++ b/FrontEnd/StyleSheets/Chatbook.nb
@@ -824,7 +824,7 @@ Notebook[
   ],
   Cell[
    StyleData["ChatStyleSheetInformation"],
-   TaggingRules -> <|"StyleSheetVersion" -> "1.5.2.3940405830"|>
+   TaggingRules -> <|"StyleSheetVersion" -> "1.5.2.3940575613"|>
   ],
   Cell[
    StyleData["NotebookAssistant`Text"],
diff --git a/FrontEnd/StyleSheets/Wolfram/WorkspaceChat.nb b/FrontEnd/StyleSheets/Wolfram/WorkspaceChat.nb
index 7df8a5c9..65bd9e79 100644
--- a/FrontEnd/StyleSheets/Wolfram/WorkspaceChat.nb
+++ b/FrontEnd/StyleSheets/Wolfram/WorkspaceChat.nb
@@ -72,9 +72,10 @@ Notebook[
    Magnification -> 0.85,
    Background -> GrayLevel[1]
   ],
+  Cell[StyleData["CellExpression"], Selectable -> True],
   Cell[
    StyleData["WorkspaceChatStyleSheetInformation"],
-   TaggingRules -> <|"WorkspaceChatStyleSheetVersion" -> "1.5.2.3940399854"|>
+   TaggingRules -> <|"WorkspaceChatStyleSheetVersion" -> "1.5.2.3940575613"|>
   ],
   Cell[
    StyleData[
diff --git a/Source/Chatbook/Serialization.wl b/Source/Chatbook/Serialization.wl
index 9183ec2f..e9d5993b 100644
--- a/Source/Chatbook/Serialization.wl
+++ b/Source/Chatbook/Serialization.wl
@@ -539,7 +539,15 @@ cellToString[ Cell[ a__, $$subSubItemStyle, b___ ] ] :=
     ];
 
 (* Cells showing raw data (ctrl-shift-e) *)
-cellToString[ Cell[ RawData[ str_String ], ___ ] ] := (needsBasePrompt[ "Notebooks" ]; str);
+cellToString[ Cell[ RawData[ str_String ], ___ ] ] :=
+    Catch @ Module[ { held },
+        If[ ! TrueQ @ $WorkspaceChat, needsBasePrompt[ "Notebooks" ]; Throw @ str ];
+        held = Quiet @ ToExpression[ str, InputForm, HoldComplete ];
+        If[ MatchQ[ held, HoldComplete[ _Cell ] ],
+            cellToString @@ held,
+            needsBasePrompt[ "Notebooks" ]; str
+        ]
+    ];
 
 (* Include a stack trace for message cells when available *)
 cellToString[ Cell[ a__, "Message", "MSG", b___ ] ] :=