Individual digital copies (often PDF) can be licensed for personal use through the CSI Download Portal. 📊 Working with MasterFormat in Excel
This framework is the "Dewey Decimal System" of construction, helping everyone from designers to contractors stay on the same page.
To ensure you have the correct, legal, and most up-to-date version, you should use official channels: csi masterformat 2020 excel download exclusive
Exterior Improvements (Paving, fences, retaining walls, landscaping).
Share the structured sheet with architects, engineers, and subcontractors to maintain a standardized language throughout the project lifecycle. Individual digital copies (often PDF) can be licensed
Originally developed in 1963 as the "Master Specification System" with just 16 major divisions, it was officially launched as MasterFormat in 1978. A landmark revision came in 2004, expanding the system to the 50 divisions we use today. This expansion accounted for modern innovations like telecommunications, facility management, and computer technology, and set the stage for future growth.
A: Yes. All three platforms allow CSV import of cost codes. Export the Number and Title columns as a CSV from the Excel file, and upload it as your company's standard CSI dictionary. Share the structured sheet with architects, engineers, and
If you only need the and key numbers/titles for internal use (not for commercial resale), you can compile from publicly available summaries.
designed to cover every aspect of a commercial building project. RSMeans data MasterFormat GROUPS, SUBGROUPS, AND DIVISIONS - AGC Austin
MasterFormat is structured into a series of divisions, broad categories covering different aspects of construction. Description Procurement and Contracting Requirements
Create dropdown menus for divisions to prevent typos.