A Word document is a type of file created using Microsoft Word, a popular word processing program. These documents are used for writing text, such as letters, reports, and essays. Users can easily format their text, add images, and create tables, making it a versatile tool for both personal and professional use. One of the key features of Word documents is the ability to save and share them in different formats, like PDF or plain text. This makes it easy to collaborate with others, as people can view and edit the document on various devices. Overall, Word documents are essential for effective communication and organization.