A preview of changes to the upcoming September 16, 2016 Financial Accounts of the United States (Z.1) release is now available. As previously announced, the Z.1 release files now consist of a single Z.1 PDF, corresponding HTML tables, and single set of compressed CSV files with accompanying data dictionary text files. To help users transition to this new file format, updated compressed PRN files will also be posted with the September 16, 2016 release. Code changes and preliminary release highlights are available online in the Financial Accounts Guide at www.federalreserve.gov/apps/fof/.