How to Insert a Combo Box in Excel 2010. Combo boxes are a useful way of entering data into an Excel spreadsheet, combining the flexibility of a text field with the convenience of a list box ...

How to Center Horizontally & Vertically in Excel. When crafting an Excel 2010 spreadsheet for your business, getting the look just right is important, making data easier to browse and understand.

If you Can't type numbers or formulas or enter data into Excel cells then it might be a problematic Add-in causing the problem. Here are some working fixes that may help.