I have many excel workbooks all linked together via formula. Recently I've noticed the @ symbol appearing before the functions. For Example @if(, @index(, @Match(, @hlookup(
It seems benign and i can get rid of it via a find and replace. But i'm keen to know why it is there.
None of the source data has been converted into a table and i can't find anything via google.
Update - A colleague has since had the attached message pop up:
