Microsoft Excel’s bloopers reel: 40 years of spreadsheet errors

As the software used by millions around the world celebrates its birthday, here are some of the low points

For millions of people, from accountants to the person in charge of the work rota, Microsoft Excel has been been a godsend.

But as the spreadsheet software celebrates its 40th birthday, spare a thought for those who misplaced a decimal, left out a row or got their cut and paste wrong. Here are some of the most memorable examples.