diff --git a/applications/biffexplorer/BIFFExplorer.lpi b/applications/biffexplorer/BIFFExplorer.lpi
index cabdfa7e8..544f8dd13 100644
--- a/applications/biffexplorer/BIFFExplorer.lpi
+++ b/applications/biffexplorer/BIFFExplorer.lpi
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <CONFIG>
   <ProjectOptions>
-    <Version Value="10"/>
+    <Version Value="11"/>
     <PathDelim Value="\"/>
     <General>
       <SessionStorage Value="InProjectDir"/>
@@ -96,9 +96,10 @@
       <Version Value="2"/>
     </PublishOptions>
     <RunParams>
-      <local>
-        <FormatVersion Value="1"/>
-      </local>
+      <FormatVersion Value="2"/>
+      <Modes Count="1">
+        <Mode0 Name="default"/>
+      </Modes>
     </RunParams>
     <RequiredPackages Count="5">
       <Item1>
diff --git a/applications/biffexplorer/bebiffgrid.pas b/applications/biffexplorer/bebiffgrid.pas
index faf45fde9..7dccc1b14 100644
--- a/applications/biffexplorer/bebiffgrid.pas
+++ b/applications/biffexplorer/bebiffgrid.pas
@@ -40,8 +40,9 @@ type
     procedure ShowBottomMargin;
     procedure ShowCalcCount;
     procedure ShowCalcMode;
-    procedure ShowCellAddress;
+    procedure ShowCellAddress(ForceRelativeAddress: Boolean = false);
     procedure ShowCellAddressRange(AFormat: TsSpreadsheetFormat);
+    procedure ShowCellAddress3D;
     procedure ShowClrtClient;
     procedure ShowCodePage;
     procedure ShowColInfo;
@@ -970,7 +971,7 @@ begin
 end;
 
 
-procedure TBIFFGrid.ShowCellAddress;
+procedure TBIFFGrid.ShowCellAddress(ForceRelativeAddress: Boolean = false);
 { Note: The bitmask assignment to relative column/row is reversed in relation
   to OpenOffice documentation in order to match with Excel files. }
 var
@@ -1034,6 +1035,54 @@ begin
 end;
 
 
+procedure TBIFFGrid.ShowCellAddress3D;
+var
+  numBytes: Word;
+  b: Byte;
+  w: Word;
+  i: Int16;
+  r,c: Integer;
+begin
+  if FFormat = sfExcel5 then begin
+    { Excel 5 }
+    numBytes := 2;
+    Move(FBuffer[FBufferIndex], i, numBytes);
+    ShowInRow(FCurrRow, FBufferIndex, numbytes, IntToStr(i),
+      '1-based index to EXTERNSHEET record (> 0: external ref, < 0: 3D reference)');
+
+    if i < 0 then begin
+      { 3D reference }
+      numbytes := 8;
+      ShowInRow(FCurrRow, FBufferIndex, numbytes, '', '(not used)', true);
+
+      numbytes := 2;
+      Move(FBuffer[FBufferIndex], w, numbytes);
+      ShowInRow(FCurrRow, FBufferIndex, numbytes, IntToStr(w),
+        '0-based index to first referenced sheet ($FFFF = deleted sheet)');
+
+      numbytes := 2;
+      Move(FBuffer[FBufferIndex], w, numbytes);
+      ShowInRow(FCurrRow, FBufferIndex, numbytes, IntToStr(w),
+        '0-based index to last referenced sheet ($FFFF = deleted sheet)');
+    end else
+    if i > 0 then begin
+      { external reference }
+      numbytes := 12;
+      ShowInRow(FCurrRow, FBufferIndex, numbytes, '', '(not used)', true);
+    end;
+  end
+  else
+  { Excel 8 }
+  if FFormat = sfExcel8 then begin
+    numbytes := 2;
+    Move(FBuffer[FBufferIndex], w, numbytes);
+    ShowInRow(FCurrRow, FBufferIndex, numbytes, IntToStr(w),
+      '0-based index to REF entry in EXTERNSHEET record');
+  end;
+  ShowCellAddress(true);
+end;
+
+
 procedure TBIFFGrid.ShowCellAddressRange(AFormat: TsSpreadsheetFormat);
 { Note: The bitmask assignment to relative column/row is reversed in relation
   to OpenOffice documentation in order to match with Excel files.
@@ -2988,6 +3037,18 @@ begin
             end;
           end;
 
+      $3A, $5A, $7A:
+        begin
+          case token of
+            $3A: s := 'reference';
+            $5A: s := 'value';
+            $7A: s := 'array';
+          end;
+          ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
+            Format('Token tREF3D (Cell %s)', [s]));
+          ShowCellAddress3D;
+        end;
+
     else
           ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
             '(unknown token)');