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The release of MasterFormat® 2026 continues CSI’s stewardship of the most widely used specifications classification system, supporting clearer organization, stronger coordination, and …

This EULA provides a license for end users to use MasterFormat to document and deliver construction projects. For any commercial use in a derivative product or resource that employs …

How do I make the transition? For users of previous editions of MasterFormat, making the transition to the current MasterFormat edition is best approached by breaking the task down …

The lookup for numbers and titles—which had not fully updated to accommodate MasterFormat 2020—has been taken offline. Additional information will be shared as soon as we anticipate a …

MasterFormat® 2020: A Master List of Titles and Numbers for the Construction Industry is now available from CSI. Keep current, get the latest edition. MasterFormat is a taxonomy that …

MasterFormat is the foundation for leading specification software solutions such as MasterSpec, SpecText, National Master Specifications (NMS), Speclink, and SpecsIntact systems, and is …

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As with all considerations in this process, there is a need to balance potential usefulness for the organization of specifications with purity of classification and potential usefulness of …