Requirement : This file is only accessible with a paid purchase of MasterFormat 2020. Two purchasing options are available:
The CSI (Construction Specifications Institute) maintains strict copyright over MasterFormat. A full, official Excel version is typically a paid product (e.g., from CSI or spec software like BSD SpecLink). However, free, read-only Excel/CSV versions are often available from public libraries, university construction management departments, or open source BIM communities . For your convenience, search for: "MasterFormat 2020 Numbers and Titles CSV" or check the CSI website for a sample Excel export.
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: Companies that offer construction project management software often provide templates or import/export options compatible with the CSI MasterFormat.
Summary
Ensure the document contains 50 potential divisions, not the obsolete 16.
With an Excel version of MasterFormat 2020, you can: Requirement : This file is only accessible with
Use the button. Hide all divisions except 22 (Plumbing) and 23 (HVAC) if you are an MEP estimator.
: Microsoft Template Gallery or third-party template websites might have what you're looking for. You can search using keywords like "CSI MasterFormat 2020 Excel" or "construction specification template Excel." This link or copies made by others cannot be deleted
: An official Excel file from CSI that links numbers and titles between the 2018 and 2020 editions.
: Users can filter by specific divisions or subgroups, hiding irrelevant data to streamline current project requirements.