Each cell in an Excel spreadsheet has a unique address, called a cell reference. This reference combines the letter that represents the cell's column with the number that represents its row. Cells in ...

Excel has over 475 formulas in its Functions Library, from simple mathematics to very complex statistical, logical, and engineering tasks such as IF statements (one of our perennial favorite stories); ...

Whether you are collaborating on an Excel spreadsheet with colleagues or working on separate computers at home and at work, you may end up with multiple versions of the same file. Windows Live is a ...