Create and customize data source
If the variable data that you want to use for mail merge, for example, names, addresses, part numbers or inventory items, don’t existed in any electronic format, you can create a new data source for mail merge in Word 2010
Create a new data source
-
Open the Mail merge document > click Mailing tab > go to Start Mail Merge group > click Select Recipients > choose Type New List…
-
In the New Address List dialog box, do any of the following:
-
Enter the recipient information by typing their information into the fields
-
You don’t have to fill out information for all the fields in the dialog box
-
You can use the TAB key to move between those fields
-
Click New Entry button to insert more entries
-
Click Delete Entry button to remove the selected entry
-
Click OK

- In the Save Address List dialog box, name the new address list > click Save

Customize data fields
-
In the address list dialog box, click Customize Columns…

-
In the Customize Address List dialog box, modify the columns such as renaming fields, adding new fields, removing fields or reorder fields

Edit existing Mail merge Address List
-
Click Mailing tab > go to Start Mail Merge group > click Edit Recipient List

-
In the Mail Merge Recipients dialog box, modify the address list
-
NOTE: You can open the Address List in MS Access to edit information

