title: Why does xlsxwriter write ' at the start of my cells
body: <p>it is my code:</p>
  <pre><code>import xlsxwriter
  
  # Create a workbook and add a worksheet.
  workbook = xlsxwriter.Workbook('Expenses01.xlsx')
  worksheet = workbook.add_worksheet()
  
  # Some data we want to write to the worksheet.
  
  
  # Write a total using a formula.
  worksheet.write_string(0, 0, '99999999001')
  worksheet.write_string(0, 1, '99999999001')
  worksheet.write_string(0, 2, '99999999001')
  worksheet.write_string(0, 3, '99999999001')
  worksheet.write_string(0, 4, '99999999001')
  worksheet.write_string(0, 5, '99999999001')
  
  workbook.close()
  </code></pre>
  <p>I am using</p>
  <p>Ubuntu 20.04.2 LTS</p>
  <p>XlsxWriter==3.0.1</p>
  <p>LibreOffice Calc
  Version: 6.4.7.2</p>
  <p>In Libre office cells contains this:
  '99999999001 - why XlsxWriterr add apostophe to start of my cells?</p>
  <p><a href="https://i.stack.imgur.com/VlRp2.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/VlRp2.png" alt="enter image description here" /></a></p>