Explanation:

In Excel, there are several data types that can be used to store different types of information. These data types include numbers, text, labels, and dates/times. However, the data type "Character" mentioned in option B is not a valid data type in Excel.

Valid Data Types in Excel:

1. Number: This data type is used to store numerical values, such as integers or decimal numbers. Numeric data can be used for calculations and mathematical operations in Excel.

2. Label: The label data type is used to store text or alphanumeric values. Labels are typically used for descriptive or identifying information, such as names, labels, or categories. Unlike numbers, labels are not used for calculations or mathematical operations.

3. Date/Time: This data type is used to store dates and times. Excel provides various date and time formats to accurately represent and manipulate dates and times. Date and time data can be used for calculations, sorting, and filtering in Excel.

Invalid Data Type:

Option B states that "Character" is not a valid data type in Excel. It is important to note that the term "Character" is not a specific data type in Excel. In Excel, text values can be stored using the label data type. Therefore, option B is incorrect as "Character" is not a valid data type in Excel.

Conclusion:

In Excel, the valid data types are numbers, labels, and date/time. The invalid data type mentioned in the given options is "Character". It is important to understand the different data types in Excel to effectively organize and analyze data.