Learn how to Mail Merge to create customized letters using Microsoft Word and Excel. Quickly take a spreadsheet with contacts and create bulk letters with ease. No need to paste individual names, addresses, and other information into a letter.

Mail Merge allows you to send customized envelopes, letters, and emails. Mail Merge leverages Microsoft Word and Excel.

Don't have Microsoft Office? Mail Merge for free using WPS Office:    • How to Mail Merge in WPS Office  

As full disclosure, I work at Microsoft.