The organization has operated since 1918 and preserves significant documents reflecting the country's history. The archive holds written, video, audio and film documents — in total more than 2,199 fonds and over 3.2 million files. The organization enables registered visitors to access the preserved documents, handles social and legal inquiries, and issues certificates on citizenship, family composition, and real estate. It also organizes educational events and contributes to the preservation of the public's historical memory.