Re:How not to lose 16,000 Covid-19 test results: a data scie...
by proce55ing on Sunday October 11, 2020 @08:10AM
(#24745239)
They did indeed use Excel to process the data. They could have possibly used a more recent version of Excel but saved the data in the legacy file format anyway.
https://www.bbc.co.uk/news/technology-54423988