Create custom file properties for the active document

1. On the File menu, click Properties.
2. Click the Custom tab.
3. In the Name box, type a name for the custom property, or select a name from the list.
4. In the Type box, click the data type for the property you want to add.
5. In the Value box, type a value for the property. The value you enter must match the selection in the Type box. For example, if you click Number in the Type box, you must type a number in the Value box. Values that don't match the property type are stored as text.
6. Click Add.