The Autocomplete feature also suggests formulas for example, if you type = S, Excel will suggest the SUM and SUMIF functions. Autocomplete is not working in Excel [Fix] ...

If Excel formulas are not working, updating, or calculating, you need to execute the solutions mentioned in this post. You should start with the first solution and then move your way down.

Microsoft has announced it’s making Excel’s autocomplete even smarter, at least in the web version that comes with Microsoft 365 (formerly known as Office 365).