Yes
But they've turned out to be quite expensive ($100/day for heavy users)
nsiemsen on Hacker News
In the thread “ChatGPT for Excel”, replying to this comment
Helped: Refactoring large multi-tab spreadsheets and formatting.
Got in the way: High token consumption leading to expensive daily costs.
… Claude for Excel (I work in finance) was one of the absolutely critical reasons we added Anthropic enterprise licenses. But they've turned out to be quite expensive ($100/day for heavy users). We'll see what OpenAI's quotas are.