Esbillalo too
  Esbilla tol conteníu del ficheru, marcu u oxetu de testu actual.
To select all of the cells on a sheet, click the button at the intersection of the column and row header in the top left corner of the sheet.
  
    
    Choose .
    
Dende les barres de ferramientes:
 
    
        
            
        
    
    
     + A
    
 
 
 
To select all of the sheets in a spreadsheet file, right-click the name tab of a sheet, and then choose Select All Sheets.