Just reminding of the obvious. You of all people should understand why, being active on so many forums

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Using O365 v2503 - Did you know you can thank someone who helped you? Click on the tiny scale in the right upper hand corner of your helper's post

Thank you Xor for looking into the file. Xor deleted lots of errors stored in the file reducing it to about 2K kb. The workbook is full of formulas, about 80% so in order to fast track data entry, I disabled them for activation later on.