Highlight your top row and press Ctrl + Shift + L to turn on filters for quick division searching.
For the most accurate and up-to-date data, use these official CSI Resources :
: Tools like e-Builder provide sample Excel templates that you can download to import your own custom construction codes using the MasterFormat structure. csi masterformat 2020 excel download hot
Released by the Construction Specifications Institute (CSI), MasterFormat 2020 is the current standard (as of 2025). It organizes work results, products, and activities into —from Division 00 (Procurement) to Division 49 (Electrical Generation).
Once you have the hot download, put it to work immediately: Highlight your top row and press Ctrl +
One of the largest divisions. It contains formatting for plaster, gypsum board, tiling, ceilings, flooring, wall coverings, and painting. Division 21, 22 & 23 – The MEP Divisions
: The official Single User Download License allows for personal use of the electronic files. It organizes work results, products, and activities into
Bidding documents, bonds, contracting forms, and general conditions. General Requirements
: A single-user license provides two years of access to the full digital file, which includes detailed title information and a keyword index.