Note: Mail Merge for Microsoft Access is technically a library, not an Access add-in. Therefore you should not try to install it using Access' add-in manager.
Installation: run setup
connecting: enable mail merge in a selected database
Access Mail Merge is distributed as either a setup program or a zip file.
To get an idea what the program is capable of try out the Demo Database
This can be done in the usual way from Windows Control Panel > Uninstall a program
We bring out improved versions on a regular basis. Therefore it is worthwhile to regularly visit http://www.4tops.com/downloadaccessmailmerge.htm and download the latest version.