Deichman Oppsal is a public library that offers a varied selection of books and media. The library aims to create an inclusive environment for all visitors, and activities are organized which are aimed at different age groups. In addition to lending books, Deichman Oppsal offers recommendations of literature and information on upcoming events.
The library also has meeting rooms and conference facilities available for use. Visitors can become borrowers and gain access to the library's resources. To meet different needs, it is possible to lock in with the Oslonøkkel app on days without service, which gives users flexibility.