Fun with Excel
Jimmi Bram Nielsen Nov 16th
We have in conjunction with debugging our export to CSV functionality found an error in Excel.
This can best be illustrated by creating a small test CSV like this:

When opening this in Excel, we get a beautiful representation like this:

All is good, life is lovely. Until you decide to rename the first column from MyID to just ID:

Then Excel gets nasty, and starts yelling at you:

There are two ways to get around this Excel error, either you just don’t call your first column ID, or you save the CSV as UTF-8 instead of ANSI, but then you might have some problems with correct encoding of local characters. Good going Microsoft.






We identified the very same issue in the Office 2000 version of Excel, so it doesn’t seem to be a big issue in the eyes of the Office dev team :-/
(your screenshot looks like a newer version - or maybe its just the Vista chrome)
This is taken from the newest version of Excel - Office 2007. We’ll just wait until Office 2025.