A digital notebook is an electronic tool that allows users to create, organize, and store notes in a digital format. Unlike traditional paper notebooks, digital notebooks can be accessed on various devices such as computers, tablets, and smartphones. They often come with features like search functionality, multimedia support, and cloud storage, making it easy to retrieve and share information. Many digital notebooks, like Microsoft OneNote and Evernote, offer collaborative options, enabling multiple users to work on the same document simultaneously. This makes them popular for students, professionals, and anyone who needs to keep track of ideas and information efficiently.