The General office series consists of the general files of Lowey's New York and Paris offices. It is arranged into three subseries: New York correspondence and subject files; Financial records; and Paris (CEI) files.

The New York correspondence and subject files subseries includes records that were generated by and/or filed in Loewy's New York office documenting prospective clients, Loewy's schedule, upcoming and current projects, and office administration. Subjects include Loewy's work as a consultant for the United Nations in the 1960s; the Loewy retrospective exhibit at the Smithsonian Institute's Renwick Gallery in 1975; the "Russian Contract" (1973-1976), his design agreement with the Soviet Union; design proposals for the U.S. government; and professional memberships. It is arranged alphabetically by subject. The files date from 1931 to 1980, though the bulk of the files date from 1960 to 1977.

Financial records subseries consists of tax returns, expenses records for Loewy and William Snaith, and stock transactions. Correspondence describes the financial difficulties experienced by the firm in the 1970s with the eventual sale of Raymond Loewy International. This series is arranged chronologically and date from 1955 to 1976.

The Paris (CEI) files consists of correspondence, memoranda, and financial records documenting the establishment and administration of Loewy's design firm in France. Subjects include the hiring of designers, financial matters, corporate restructuring, and strategies regarding their client Shell International. These files are arranged chronologically and date from 1952 to 1982.