diff --git a/components/fpspreadsheet/reference/BIFFExplorer/BIFFExplorer.lpi b/components/fpspreadsheet/reference/BIFFExplorer/BIFFExplorer.lpi
index cdf19d04a..a074c35fb 100644
--- a/components/fpspreadsheet/reference/BIFFExplorer/BIFFExplorer.lpi
+++ b/components/fpspreadsheet/reference/BIFFExplorer/BIFFExplorer.lpi
@@ -56,11 +56,7 @@
             </Options>
           </Linking>
           <Other>
-            <CompilerMessages>
-              <MsgFileName Value=""/>
-            </CompilerMessages>
             <CustomOptions Value="-duse_new_ole"/>
-            <CompilerPath Value="$(CompPath)"/>
           </Other>
         </CompilerOptions>
       </Item2>
@@ -98,11 +94,7 @@
             </Options>
           </Linking>
           <Other>
-            <CompilerMessages>
-              <MsgFileName Value=""/>
-            </CompilerMessages>
             <CustomOptions Value="-duse_new_ole"/>
-            <CompilerPath Value="$(CompPath)"/>
           </Other>
         </CompilerOptions>
       </Item3>
@@ -136,7 +128,6 @@
       <Unit0>
         <Filename Value="BIFFExplorer.lpr"/>
         <IsPartOfProject Value="True"/>
-        <UnitName Value="BIFFExplorer"/>
       </Unit0>
       <Unit1>
         <Filename Value="beabout.pas"/>
@@ -144,7 +135,6 @@
         <ComponentName Value="AboutForm"/>
         <HasResources Value="True"/>
         <ResourceBaseClass Value="Form"/>
-        <UnitName Value="beAbout"/>
       </Unit1>
       <Unit2>
         <Filename Value="bebiffgrid.pas"/>
@@ -154,12 +144,10 @@
       <Unit3>
         <Filename Value="bebiffutils.pas"/>
         <IsPartOfProject Value="True"/>
-        <UnitName Value="beBIFFUtils"/>
       </Unit3>
       <Unit4>
         <Filename Value="behtml.pas"/>
         <IsPartOfProject Value="True"/>
-        <UnitName Value="behtml"/>
       </Unit4>
       <Unit5>
         <Filename Value="bemain.pas"/>
@@ -177,7 +165,6 @@
       <Unit7>
         <Filename Value="mrumanager.pp"/>
         <IsPartOfProject Value="True"/>
-        <UnitName Value="mrumanager"/>
       </Unit7>
       <Unit8>
         <Filename Value="bemain.lfm"/>
@@ -215,11 +202,7 @@
       </Options>
     </Linking>
     <Other>
-      <CompilerMessages>
-        <MsgFileName Value=""/>
-      </CompilerMessages>
       <CustomOptions Value="-duse_new_ole"/>
-      <CompilerPath Value="$(CompPath)"/>
     </Other>
   </CompilerOptions>
   <Debugging>
diff --git a/components/fpspreadsheet/reference/BIFFExplorer/bebiffgrid.pas b/components/fpspreadsheet/reference/BIFFExplorer/bebiffgrid.pas
index db66d2d19..0661bd8b6 100644
--- a/components/fpspreadsheet/reference/BIFFExplorer/bebiffgrid.pas
+++ b/components/fpspreadsheet/reference/BIFFExplorer/bebiffgrid.pas
@@ -515,7 +515,9 @@ var
 begin
   case FFormat of
     sfExcel2: RowCount := FixedRows + 2;
+    { //Excel3 & 4 not supported by fpspreadsheet
     sfExcel3, sfExcel4: RowCount := FixedRows + 3;
+    }
     sfExcel5: RowCount := FixedRows + 4;
     sfExcel8: RowCount := FixedRows + 6;
   end;
@@ -562,10 +564,12 @@ begin
   if FFormat > sfExcel2 then begin
     numBytes := 2;
     Move(FBuffer[FBufferIndex], w, numBytes);
+    { Excel3/4 not supported in fpSpreadsheet
     if FFormat in [sfExcel3, sfExcel4] then
       ShowInRow(FCurrRow, FBUfferIndex, numBytes, IntToStr(WordLEToN(w)),
         'not used')
-    else begin
+    else}
+    begin
       ShowInRow(FCurrRow, FBufferIndex, numBytes, IntToStr(WordLEToN(w)),
         'Build identifier (must not be zero)');
 
@@ -2592,6 +2596,8 @@ begin
   ShowInRow(FCurrRow, FBufferIndex, numBytes, IntToStr(w),
     'Fit worksheet height to this number of pages (0 = use as many as needed)');
 
+  { Excel4 not supported in fpspreadsheet }
+  {
   if FFormat = sfExcel4 then begin
     Move(FBuffer[FBufferIndex], w, numbytes);
     w := WordLETON(w);
@@ -2614,7 +2620,7 @@ begin
     end;
     ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.4x (%d)', [w, w]),
       'Option flags');
-  end else
+  end else }
   if (FFormat in [sfExcel5, sfExcel8]) then begin
     Move(FBuffer[FBufferIndex], w, numBytes);
     w := WordLEToN(w);
diff --git a/components/fpspreadsheet/reference/BIFFExplorer/beutils.pas b/components/fpspreadsheet/reference/BIFFExplorer/beutils.pas
index f3044e475..f6409a865 100644
--- a/components/fpspreadsheet/reference/BIFFExplorer/beutils.pas
+++ b/components/fpspreadsheet/reference/BIFFExplorer/beutils.pas
@@ -68,8 +68,10 @@ function GetFileFormatName(AFormat: TsSpreadsheetFormat): string;
 begin
   case AFormat of
     sfExcel2              : Result := 'BIFF2';
+    { Excel3/4 not supported fpspreadsheet
     sfExcel3              : Result := 'BIFF3';
     sfExcel4              : Result := 'BIFF4';
+    }
     sfExcel5              : Result := 'BIFF5';
     sfExcel8              : Result := 'BIFF8';
     sfooxml               : Result := 'OOXML';