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In computing, a document is a file containing information, typically text and images, created or processed by a computer. It can be a word processing file, a spreadsheet, a PDF, or a web page, among other things, and is stored as a file, often organized into folders. "Document" can also refer to technical writing, such as user guides and programming references, and the act of creating these files is called "documentation".

Common meanings and types A file containing information: This is the most common meaning, referring to the content within a computer file that can be text, images, sound, or video.

File formats: Documents are stored in various file formats, such as .doc or .docx for Microsoft Word, .pdf for Portable Document Format, and .txt for plain text.

Examples: A letter, a spreadsheet, a report, or a web page can all be considered documents.

Documentation: This refers to the written materials that provide information about a product, service, or system.

Types: This includes user manuals, tutorials, programming references, and technical specifications.

Purpose: It is used to explain how to use or implement something, often in a clear and concise way.