)(1) To combine two files in such a way that the resulting file has the same organization as the two individual files. For example, if two files contain a list of names in alphabetical order, merging the two files results in one large file with all the names still in alphabetical order.
Note that merge is different from append. Append means to combine two files by adding one of them to the end of the other.
(2) In word processing, mail merge refers to generating form letters by combining one file containing a list of names, addresses, and other information with a second file containing the text of the letter.