bimd

.bimdBuilding Information Model Data

BuildingSMART International · 2010s

Developer
BuildingSMART International
Category
3D & CAD
MIME Type
application/vnd.building-information-model
First Released
2010s
Open Format
Yes
File Signature
Not a consistently defined standard magic byte sequence; relies more on file extension and internal structure.
At a Glance
.bimd
Building Information Model Data

BIMd is an open standard file format for sharing digital building information models, enabling collaboration across different AEC software.

Reviewed on August 7, 2026
Compression
Varies (often compressed binary or XML)
Transparency
N/A
Editability
Medium
Best for
Model Data Exchange

Key Features

  • Open and non-proprietary, promoting interoperability.
  • Supports complex 3D geometry and associated data.
  • Facilitates data exchange between diverse AEC software.
  • Enables collaboration throughout the building lifecycle.

Best For

  • Interoperability between different BIM software platforms.
  • Comprehensive data exchange for AEC projects.
  • Long-term archiving of building information.
  • Facilitating collaboration across project stakeholders.

Less Ideal For

  • High-fidelity photorealistic rendering (often requires dedicated formats).
  • Simple 2D CAD drawings (can be overkill).
  • Sharing only geometric data without semantic context.
  • Real-time collaboration on very large, complex models without specialized platforms.

Common Use Cases

  • Sharing design models between architects and engineers.
  • Transferring project data to construction management software.
  • Archiving building data for facility management.
  • Collaborative design reviews and clash detection.

How to Open It

  1. Open in BIM software that supports IFC import, such as Autodesk Revit, ArchiCAD, or Vectorworks.
  2. Utilize dedicated IFC viewers or model checkers for review purposes.
  3. Some specialized AEC viewers or online platforms can render BIMd files.

What is a .bimd file?

BIMd is an open file format used in the architecture, engineering, and construction (AEC) industry to store Building Information Model (BIM) data. It aims to facilitate interoperability between different software applications used in the design, construction, and operation of buildings and infrastructure. This format represents 3D models along with associated data like material properties, scheduling information, and cost estimates, creating a comprehensive digital representation of a building project. The goal is to enable seamless data exchange and collaboration throughout the project lifecycle.

Programs That Open .bimd Files

PlatformProgram
WindowsAutodesk RevitPaid
ArchiCADPaid
Solibri Model CheckerPaid
macOSArchiCADPaid
VectorworksPaid
LinuxFreeCADFree
Web BrowserAutodesk Construction Cloud (Viewer)Paid

How to Convert .bimd Files

FormatMethod
.IFCExport from BIM software, Online converters
.PDFPrint to PDF from BIM software, Online converters

Common Problems with .bimd Files

⚠️ Inaccurate or missing data after conversion.
Ensure the source software's export settings are optimized for IFC and that the target software properly interprets the imported data. Check for compatibility issues between software versions.
⚠️ Large file sizes can impact performance.
Utilize model optimization techniques, such as simplifying geometry or removing unnecessary elements, before exporting. Consider using compressed IFC formats (e.g., .ifczip).
⚠️ Loss of parametric data or model intelligence.
Not all software fully supports the transfer of parametric intelligence. Understand the limitations of the export/import process and ensure critical data is communicated through other means if necessary.

Frequently Asked Questions

Is BIMd related to IFC?

Yes, BIMd is an open format often based on or interoperable with Industry Foundation Classes (IFC) standards, which are the foundation for BIM data exchange.

Can BIMd files be edited directly?

While BIMd files contain model data, direct editing is typically done within specialized BIM authoring software that can import and interpret the format. The BIMd file itself is more of a data container for exchange.

What is the primary goal of the BIMd format?

The primary goal is to enable seamless and reliable data exchange and interoperability between different software applications used in the AEC industry, supporting collaboration across the entire project lifecycle.

Technical Details

The BIMd format is typically based on an XML schema, often derived from industry standards like IFC (Industry Foundation Classes). It defines a hierarchical structure for representing building elements, their properties, and relationships. The data within a BIMd file is structured to be machine-readable, allowing software to interpret and utilize the geometric and semantic information.

Did You Know?

The development of open BIM formats like BIMd is crucial for breaking down data silos in the construction industry.
BIMd can store not only 3D geometry but also rich semantic information about building components and systems.

Security Information

As BIMd files are primarily data containers, they do not typically pose direct security risks like executable files. However, ensure you obtain files from trusted sources to prevent the introduction of intentionally corrupted or misleading project data.

Related Extensions