The first reason why you might see double square brackets in a structured reference is that the column headers they refer to contain a special character. In these cases, the extra pair of square ...

Microsoft Excel, part of the Office software suite, allows you to create business-oriented worksheets composed of columns, rows and cells. Within these containers, characters – including special ...

However carefully you monitor the data you enter and import into Microsoft Excel, and the output of formulas and functions that produce new values, it's easy to wind up with cells that contain one or ...