@drdrmc @neil Oh it's maddening. If anyone reading this knows a good way to keep using a spreadsheet while complying with #MakingTaxDigital I'd love to know.
@medwds there are several spreadsheet "bridging" softwares.. example: https://vitaltax.uk/income-tax/
MTD in Excel | Making Tax Digital for Income Tax and VAT

MTD bridging software for VAT and Income Tax. Connect Excel to HMRC and submit returns with VitalTax — fast and simple.