Use the form on the right to contact us.
You can edit the text in this area, and change where the contact form on the right submits to, by entering edit mode using the modes on the bottom right.
Here is the hard truth: The Construction Specifications Institute (CSI) does not offer a free, editable Excel download of MasterFormat 2020 to the general public.
MasterFormat is a copyrighted standard. CSI sells the official PDF, the hardcover book, and licenses the digital data to software providers. If you search for a free Excel download, you will find many outdated versions (1995, 2004) or user-generated spreadsheets that contain typos and missing sections.
Beginners often delete Division 00 because "it isn't construction." Use a filter in Excel to hide it, not delete it. You need those contract forms for submittals.
Before downloading, it is important to understand how the hierarchy works within the spreadsheet:
The 2020 update introduced several revisions to align with new technologies and construction practices, specifically expanding Division 25 (Integrated Automation) and Division 48 (Electrical Power Generation), reflecting the industry's shift toward smart buildings and renewable energy.
Architectural firms and large GCs do not use "vanilla" MasterFormat. They have proprietary notes, internal accounting codes, or brackets. Excel allows you to add columns (e.g., "Internal Lead," "Bid Status," "Date Last Updated") next to the CSI code without breaking the standard.
Here is the hard truth: The Construction Specifications Institute (CSI) does not offer a free, editable Excel download of MasterFormat 2020 to the general public.
MasterFormat is a copyrighted standard. CSI sells the official PDF, the hardcover book, and licenses the digital data to software providers. If you search for a free Excel download, you will find many outdated versions (1995, 2004) or user-generated spreadsheets that contain typos and missing sections. csi masterformat 2020 excel download
Beginners often delete Division 00 because "it isn't construction." Use a filter in Excel to hide it, not delete it. You need those contract forms for submittals. Here is the hard truth: The Construction Specifications
Before downloading, it is important to understand how the hierarchy works within the spreadsheet: Titles: Descriptions corresponding to the numbers
The 2020 update introduced several revisions to align with new technologies and construction practices, specifically expanding Division 25 (Integrated Automation) and Division 48 (Electrical Power Generation), reflecting the industry's shift toward smart buildings and renewable energy.
Architectural firms and large GCs do not use "vanilla" MasterFormat. They have proprietary notes, internal accounting codes, or brackets. Excel allows you to add columns (e.g., "Internal Lead," "Bid Status," "Date Last Updated") next to the CSI code without breaking the standard.