Mail merge is a feature in word processing programs, such as Microsoft Word, that allows you to create personalized documents, such as letters or emails, by combining a standard document with a data source. This is particularly useful when you need to create multiple documents that share the same format but contain unique information for each recipient. To perform a mail merge, you typically start by creating a standard document that contains the text and formatting you want to use for all the documents. Next, you create a data source, which can be a spreadsheet or database, that contains the unique information for each document, such as names and addresses. Once you have your standard document and data source, you can use the mail merge feature to combine the two. The software will automatically insert the unique information from the data source into the appropriate places in the document, creating a personalized document for each recipient. Mail merge is commonly used for crea...