It might seem strange to want to enter data into a table without first defining the table’s structure, but there’s one scenario where it makes perfect sense: when you’re in a hurry and you have to get the data into the database quickly. When you type data into a blank table, Access assigns generic names to the fields, such as Field1, Field2, and so on. After the data’s in the table, you can open the table in Design view and name the fields, define data types, and so on.
Click the Create tab.
In the Tables group, click Table.
Type the data for the first new field and press Tab.
Repeat step ...