Transition Guide

Still working with MasterFormat 95 numbers? Plug in your numbers to exchange them for numbers from the most current edition. Review numbering changes to the new edition.

Purchase MasterFormat

Buy a copy of the MasterFormat 2010 publication. Canadian customers may purchase from the Construction Specifications Canada.

MasterFormat '95 Support Ended

MasterFormat editions issued after 2004 are the only versions licensed and supported by CSI. Learn more.

Propose Revisions

Submit a proposal for your own revisions, or check in for real-time updates to MasterFormat in a chronological revisions report.