Оформил: DeeCo
Автор: http://www.swissdelphicenter.ch

// Save a TStringGrid to a file 

procedure SaveStringGrid(StringGrid: TStringGrid; const FileName: TFileName);
 var
   f:    TextFile;
   i, k: Integer;
 begin
   AssignFile(f, FileName);
   Rewrite(f);
   with StringGrid do
   begin
     // Write number of Columns/Rows 
    Writeln(f, ColCount);
     Writeln(f, RowCount);
     // loop through cells 
    for i := 0 to ColCount - 1 do
       for k := 0 to RowCount - 1 do
         Writeln(F, Cells[i, k]);
   end;
   CloseFile(F);
 end;

 // Load a TStringGrid from a file 

procedure LoadStringGrid(StringGrid: TStringGrid; const FileName: TFileName);
 var
   f:          TextFile;
   iTmp, i, k: Integer;
   strTemp:    String;
 begin
   AssignFile(f, FileName);
   Reset(f);
   with StringGrid do
   begin
     // Get number of columns 
    Readln(f, iTmp);
     ColCount := iTmp;
     // Get number of rows 
    Readln(f, iTmp);
     RowCount := iTmp;
     // loop through cells & fill in values 
    for i := 0 to ColCount - 1 do
       for k := 0 to RowCount - 1 do
       begin
         Readln(f, strTemp);
         Cells[i, k] := strTemp;
       end;
   end;
   CloseFile(f);
 end;


 // Save StringGrid1 to 'c:\temp.txt': 

procedure TForm1.Button1Click(Sender: TObject);
 begin
   SaveStringGrid(StringGrid1, 'c:\temp.txt');
 end;

 // Load StringGrid1 from 'c:\temp.txt': 

procedure TForm1.Button2Click(Sender: TObject);
 begin
   LoadStringGrid(StringGrid1, 'c:\temp.txt');
 end;