If you are getting some other warning message with the #SPILL error, you can move ahead and apply a suitable fix. Read: Excel can’t insert new cells because it would push non-empty cells. 2 ...

For Excel 365, formulas that return a set of values (or an array) are able to spill. Therefore, you can have your formulas spill when using simple calculations, as we did here, and also when using ...

Referencing can become difficult, especially if you’re using structured referencing. Instead, reference a spill range so you can use the hashtag shortcut.

That’s called the spill range. If you see a spill error, then the range needed to fulfill the function isn’t available; move the function or remove the content that’s in the way.

Excel SPILL errors occur when a formula returns multiple results. Learn how to fix #SPILL formula errors in Microsoft Excel.