Postpublished at 10:02 Greenwich Mean Time 17 January
Hello and thanks for joining our coverage of the Post Office inquiry.
Today we're hearing from John Simpkins, team leader at the Fujitsu software support centre, and Fujitsu software developer Gerald Barnes.
Yesterday Fujitsu employee Rajbinder Sangha told the inquiry that data from the scandal-hit Horizon system was still being used in court proceedings.
The inquiry itself began in February 2021 but the Horizon scandal has been thrust back into the spotlight following an ITV drama based on stories of the wrongly accused sub-postmasters and postmistresses.
You can watch live coverage from the inquiry by clicking Play above, but we won鈥檛 be writing text updates today.