TikTok's Excel community is vast, with some stars garnering millions of followers making tutorials. Some of the biggest Excel influencers are "Miss Excel," "Your Excel Friend," and "Excel Daddy." They ...

David Lyford-Smith is an expert at solving spreadsheet mysteries. Once, in a previous job, he was sent a payroll form to look over for a new starter. It had the number 40,335 in a random box, and ...