[2] The archive collects documents of lesbian, gay, bisexual, transgender and intersex people: private documents, diaries, photo albums and self-created collections of newspaper articles etc., who "have extraordinary significance to cultural history and are not only worthy but important to preserve.

They also possess rare, out-of-print literature of the early women’s/lesbian and gay movement and numerous publications from the time of Magnus Hirschfeld.

Approximately 220 magazines with more than 10,000 copies from the 1920s until today,[6] 1,100 video cassettes, DVDs and CDs[7] and 850 posters[8] complete their collection.

[12] Since 2019 they jointly launched an appeal to collect objects and documents relating to Munich City’s LGBTI+ history, past and present.

In the biographical series Lebensgeschichte (English: Personal histories) they publish autobiographical texts and contemporary witness interviews with LGBTIQ* people.