Insights.

Notes on Power Apps, Power Automate, licensing and the spreadsheets growing businesses run on, written from the finance side. Older articles date from before the October 2026 rebuild and are being brought up to date.

Got a spreadsheet running something it shouldn’t?

Tell me what it does and what breaks when it fails. If I can help, I will say how. If you would be better off leaving it alone, I will tell you that too.

Or email hello@castlane.co.uk


I reply within one working day. No obligation, and your details go nowhere else.