A data entry clerk, sometimes called a typist, is a member of staff employed to type data into a database using a keyboard. The keyboards used can often have specialist keys and multiple colours to help them in the task and speed up the work. wikipedia.org

Microsoft Excel is a proprietary commercial spreadsheet application written and distributed by Microsoft for Microsoft Windows and Mac OS X. It features calculation, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications. wikipedia.org

Microsoft Office Word is a word processor designed by Microsoft. wikipedia.org

Mail merge is a software function describing the production of multiple (and potentially large numbers of) documents from a single template form and a structured data source. wikipedia.org