Open your Excel file and make sure the first row contains clear column headers
Save and close the Excel file
Open Microsoft Word
Go to the Mailings tab
Click Start Mail Merge
Choose the type of document you want
Click Select Recipients
Choose Use an Existing List
Browse to your Excel file and select it
Choose the correct worksheet if prompted
Insert merge fields where needed in your Word document
Click Preview Results to check the merged data
Use the left and right arrows to review records
Click Finish & Merge
Choose Print Documents, Edit Individual Documents, or Send E-mail Messages
Save your Word document if needed