It's a perfectly reasonable request, and it exposes a gap that legacy tools have ignored for too long. A user wants a calendar date picker that works across an entire workbook, applies to a specific column on every sheet, and lets them choose the output format. They found community-built `.xlsm` files but couldn't figure out how to make them behave consistently. That's not a failure of effort on their part. It's a failure of design.
Traditional spreadsheets treat date entry as a manual chore. You either type a date in a specific format and hope the cell recognizes it, or you hunt down a macro that might break when you share the file. The user here is doing something smart: they're trying to standardize input across their entire workbook. That's exactly the kind of workflow that should be simple. Instead, they're sifting through forum posts and Dropbox links, unsure if a third-party macro will even run on their system. The tool should adapt to the user, not the other way around.
An AI-native spreadsheet changes this entirely. Imagine a system that understands your intent when you say "I want a date picker on column C of every sheet, and I want the output to match the regional format I set once." No VBA. No fragile macros. No digging through file archives. The AI interprets the request, applies it globally, and handles the formatting logic behind the scenes. If you change your mind later, you ask it to update the rule. The spreadsheet becomes a partner in the process, not a stubborn interface you have to fight.
This is what progress looks like: not a faster version of the same old workflow, but a fundamentally simpler one. The user's frustration is a signal that the industry has been asking people to become part-time programmers just to get consistent data entry. That's not a sustainable path for productivity. The solution isn't a better macro; it's a spreadsheet that understands what you need before you have to explain it in code. Explore a tool that lets you describe what you want, then delivers it across every sheet in your workbook without a single line of VBA.