Which of the following is not a valid data type in Excel

In Microsoft Excel, understanding the fundamental data types is crucial for correct data entry and calculations. Excel primarily categorizes data into three main types: Numbers, Text (often referred to as Labels), and Date/Time. These types dictate how Excel stores and processes the information in a cell.

• Character (B) is not a distinct, valid data type name used within Excel's interface or common terminology for cell content. While text is composed of characters, Excel groups them under the 'Text' or 'Label' data type.
• Number (A) is a valid data type for numerical values.
• Label (C) is commonly used interchangeably with 'Text' to refer to non-numerical data.
• Date (D) is a valid data type, stored as a serial number.