What are your favorite Office Scripts that you use often or saves you the most amount of time?

I often use VBA and LAMBDA functions to speed up my work.

My favorite VBA script, which I use a lot, is one that lets me append worksheets from another workbook into my active workbook.

However, because of Excel Online and security concerns, things are shifting toward Office Scripts. Some VBA scripts I couldn't migrate (like the one above), but others worked.

For example, one I use regularly is an Office Script that consolidates the worksheets of my workbook into a single worksheet:

(I am not allowed to post this here as square brackets are forbidden)

I'm curious how many of you use Office Scripts and what you've built with them to save time.