Personal information management

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Personal information management (PIM) is the study and implementation of the activities that people perform in order to acquire or create, store, organize, maintain, retrieve, and use informational items such as documents (paper-based and digital), web pages, and email messages for everyday use to complete tasks (work-related or not) and fulfill a person's various roles (as parent, employee, friend, member of community, etc.);^[1][2] it is information management with intrapersonal scope. Personal knowledge management is by some definitions a subdomain.

One ideal of PIM is that people should always have the right information in the right place, in the right form, and of sufficient completeness and quality to meet their current need. Technologies and tools can help so that people spend less time with time-consuming and error-prone clerical activities of PIM (such as looking for and organising information). But tools and technologies can also overwhelm people with too much information leading to information overload.

A special focus of PIM concerns how people organize and maintain personal information collections, and methods that can help people in doing so. People may manage information in a variety of settings, for a variety of reasons, and with a variety of types of information. For example, a traditional office worker might manage physical documents in a filing cabinet by placing them in hanging folders organized alphabetically by project name. More recently, this office worker might organize digital documents into the virtual folders of a local, computer-based file system or into a cloud-based store using a file hosting service (e.g., Dropbox, Microsoft OneDrive, Google Drive). People manage information in many more private, personal contexts as well. A parent may, for example, collect and organize photographs of their children into a photo album which might be paper-based or digital.

PIM considers not only the methods used to store and organize information, but also is concerned with how people retrieve information from their collections for re-use. For example, the office worker might re-locate a physical document by remembering the name of the project and then finding the appropriate folder by an alphabetical search. On a computer system with a hierarchical file system, a person might need to remember the top-level folder in which a document is located, and then browse through the folder contents to navigate to the desired document. Email systems often support additional methods for re-finding such as fielded search (e.g., search by sender, subject, date). The characteristics of the document types, the data that can be used to describe them (meta-data), and features of the systems used to store and organize them (e.g. fielded search) are all components that may influence how users accomplish personal information management.