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I know of a retail bank using a huge and complex Excel spreadsheet for their entire loan approvals process.

Did it have bugs? No-one knew.

> Did it have bugs? No-one knew.

And there is the reason Excel (and spreadsheets in general) are dangerous.

I've seen software specifically made to tackle such complex processes and they were buggy as hell. And I've seen 100+ connected Excel spreadsheets managing $500M+ yearly transactions of the buying department of a white goods manufacturer, it was a work of art.

Why would anyone do that? There are much better tools for handling complexity on that level. That's insane.

Two words: Corporate IT.

Another two: Onboarding Process.

I didn't realise you could connect spreadsheets together. Thanks for new knowledge!

could be the same Bank I know where they use excel for everything

I can personally guarantee you it is literally every bank.

Even if they have a fancy tool, someone is using an Excel spreadsheet to figure out how to subvert it.

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