an element of a cell array doesn't appear when I send to excel file

I want to change out(8,2) to be 'S-PC-K6301'

I use this trick

it becomes like this

but when I send the cell array to my excel file it appears like this

can someone explain why this happens ?

[Adam Danz]

Could you share the section of code that changes the cell value and writes to the excel file?

[AMINE EL MOUATAMID]

%% put data from RMS to out
j=1;
i=2;
while i <= sizeOut(1,1) 
    if all(~isnan(out{i,2}))&& contains(out{i,2},serie)
       for j=j+1 : rowRMS(1,1)
            if all(~isnan(out{i,1})) && contains(out{i,1},RMS{j,1})
                for k=9:16
                   if all(~isnan(out{i,k})) && contains(out{i,k},PointName)
                     if all(~isnan(out{i+1,8})) && contains(out{i+1,8},MeasTypeID)
                          out{i+1,k}=RMS{j,2};
                          break                                         
                     else
                        if all(~isnan(out{i+2,8})) && contains(out{i+2,8},MeasTypeID)
                          out{i+2,k}=RMS{j,2};
                          break
                        else
                           if all(~isnan(out{i+3,8})) && contains(out{i+3,8},MeasTypeID)
                            out{i+3,k}=RMS{j,2};
                            break
                           end
                       end
                     end
                   end
                end
            else
              for n=2 : sizeOut(1,1)
                 if all(~isnan(out{n,1})) && contains(out{n,1},RMS{j,1})
                        out=insertrows(out,out(n:7,1:27),n+5);
                        
                  for k=9:16
                   if all(~isnan(out{n+6,k})) && contains(out{n+6,k},PointName)
                    if all(~isnan(out{n+7,8})) && contains(out{n+7,8},MeasTypeID)
                       out{n+7,k}=RMS{j,2};
                       break                                         
                    else
                      if all(~isnan(out{n+8,8})) && contains(out{n+8,8},MeasTypeID)
                         out{n+8,k}=RMS{j,2};
                         break
                      else
                         if all(~isnan(out{n+9,8})) && contains(out{n+9,8},MeasTypeID)
                            out{n+9,k}=RMS{j,2};
                            break
                         end
                      end
                    end
                   end
                 end
                 closeexcel;
                 data=zeros(6,27);
                 xlsappend(File,data,'relevés journalier');
                 Excel = actxserver('Excel.Application');
                 Workbooks = Excel.Workbooks;
                 % Open Excel file
                 Workbook=Workbooks.Open(File);
                 % Tell it to not wait and pop up alerts like "This file exists.  Do you want to overwrite it.
                 Excel.DisplayAlerts = false;
                 % Specify sheet number,and range to write to 
                 %%sheetnum = InputBox(Excel,'numero de fenêtre :','Ma boite de dialogue',[],[],[],[],[],1)
                 %%range = 'A1:AA3458';
                 % Make the first sheet active
                 Sheets = Excel.ActiveWorkBook.Sheets;
                 sheet1 = get(Sheets, 'Item','relevés journalier');
                 invoke(sheet1, 'Activate');
                 Activesheet = Excel.Activesheet;
                 DataRange = Excel.ActiveSheet.UsedRange;
                 r = DataRange.Address;
                 r1 = regexp(r, ':', 'split');
                 end_cell = regexprep(r1{2}, '\$', '');
                 start_cell = 'A1';
                 range = [start_cell ':' end_cell];
                 
                 break
                 end
              end
              C='S-PC-';
              serie=cellstr(serie);
              out{n+6,2}=strcat(C,serie);
               %%out{n+6,2}=cellstr(out{n+6,2});
            end
            break
        end
    end
     sizeOut=size(out);  
     i = i+1; 
end 

%% 
%Put MATLAB data into Excel
ActivesheetRange = get(Activesheet,'Range',range);
set(ActivesheetRange, 'Value', out);
Excel.ActiveWorkbook.Save;
%%
ActivesheetRange = get(Activesheet,'Range',range);%%
set(ActivesheetRange, 'Value',out);
    
%%
%Close Excel and clean up
closeexcel;
%%clear all;