In Microsoft Excel,  you can restrict users to enter or select the data which is predefined is called ________. 

Correct answer is Data Validation.

Key Points

• MS Excel is the most popular spreadsheet software with a wide range of features, formulas, and functions.
• Data validation in Excel is a feature that allows you to control the type of data entered into your worksheet.
• It enables users to set the desired validation rules to control what type of data they can enter into the corresponding cells in an Excel sheet.
• The Data Validation feature or its controls can be found on the ribbon under the Data tab. By default, it is placed under the category 'Data Tools'.

Additional Information

• The FORECAST function in Excel is used to predict a future value by using linear regression.
• The Watch Window lets you keep an eye on cells across multiple sheets and books in a single pane.