2025-11-12

🔗 Why is Out Of Office abbreviated as OOF and not OOO?

Let's rewind to the 1980s. Back then, Microsoft Xenix was the leading Unix OS…

It's one of those quirks that makes you pause: Why do we say OOF instead of OOO?

Let's rewind to the 1980s. Back then, Microsoft Xenix was the leading Unix OS - yes, really! - and Microsoft itself was running its own mail system on it. This system had a...