Museum of the Warsaw Archdiocese was founded in the late thirties of the last century. Initially there were in Warsaw's Old Town buildings located next to the Cathedral of St. John Street Kanonia. The grand opening was made Archbishop of Warsaw Cardinal Aleksander Kakowski in 1938.

The museum had a gallery of Gothic sculpture, the gallery of old fabrics sacred and little works of jewelery. The most valuable objects were exported by the Germans after the Warsaw Uprising, the building was burned to the ground. Many of the exhibits have been stolen rewindykowanych in 1947. However, they have been incorporated into public collections.

In the seventies of the twentieth. century on the initiative of the Primate Cathedral Archive gradually accumulated objects of ancient art, mostly liturgical fabrics. Carrying out the idea of ​​establishing a museum Primate Wyszynski entrusted to a young graduate art history, ks. Andrew Przekazińskiemu. In 1978. In the church tower of St. Anna held the first exhibition of the museum collections nonexistent. At the same time last major renovation of the building poklasztornego Trinitarian Fathers at the Church of the Holy Trinity in Solec (ul. Solec 61), which is one of the oldest churches in Warsaw.

The opening of the new Museum of the Warsaw Archdiocese took place in April 1980. Museum's collections include artwork, coins, paintings, sculpture, textiles, medals, goldsmith and close to the number of nearly twenty thousand exhibits. At the permanent exhibition, which includes a part of its collections, it is presented above all sacred art and crafts.

In the eighties. century museum was one of the places where the activity was supported by the opposition against the communist system in Poland. During martial law, they were active in the museum group of artists, actors and musicians. There were exhibitions of patriotic and religious, concerts, readings and theater evenings.

A new chapter activities museum began with the transfer in November 2015. collections to an adopted for the purposes of the Palace Museum of the Dean's Old Town, next to the Cathedral of St. John the Baptist. The current facility is a modern facility, and adapted for the disabled. The traction adaptation works have been partially restored passage over the street Kanonia and Dziekania, available to visitors on the first floor. Both bridges were built after the failed assassination attempt on King Sigismund III Vasa in 1620. Bridges connected the Royal Castle directly from St. Stephen's Cathedral. John the Baptist.
 
3 floors with a total area of ​​1200 m2, the museum collects and exhibits the work of religious art and secular. Today, the collection numbering approx. 20 thousand. facilities include: paintings, drawings, prints, sculptures and goldsmith, original features of churches, liturgical vestments and vessels, medals, ryngrafy, furniture, clocks and other standing. The exhibits come from donations parishes, congregations, priests and lay people. Most of the works are objects acquired after the war. We also managed to recover some of the objects from the pre-war collection of the museum.
 
Among the exhibits MAW are woodcuts of Albrecht Durer, Jacek Malczewski (Christ and the Samaritan Woman), Vlastimil Hofman (the cup of bitterness); Francesco Bassano (Adoration of the pastors), Szymon Czechowicz, Francis Smuglewicz works Jan Lebenstein, Henryk Kuna sculptures, paintings Jozef Czapski.
 
Besides the exhibition a permanent museum organizes temporary exhibitions. So far in the new premises of the museum organized the exhibition associated with the liturgical year. In December, an exhibition dedicated to the Nativity of God, then were shown exhibits referring to the period of Easter and in May an exhibition devoted to representations of the Virgin Mary in art.