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    Download API definition:

    Supported formats

    An iTwin Connector can be used to import data into an iModel. iTwin Connectors have been developed for many different applications and file formats. The below tables list connectors that can be called via this API.

    Bentley applications

    Application
    Connector
    Extension
    Connector Identifier
    Supported Versions
    AutoPLANT
    AutoPLANT Modeler
    dwg
    AUTOPLANT
    AutoPLANT 10.01.00.67 and higher
    Bentley Raceway and Cable Management
    MicroStation
    dgn
    MSTN
    CONNECT from Update 4
    MicroStation CONNECT / V8i Editions
    MicroStation
    dwg, i.dgn
    MSTN
    CONNECT / V8i Editions
    OpenBridge Designer
    Civil
    dgn
    CIVIL
    CONNECT Edition
    OpenBuildings Designer
    OpenBuildings
    dgn
    OBD
    CONNECT Edition
    OpenRail Designer
    Civil
    dgn
    CIVIL
    CONNECT Edition
    OpenRoads Designer
    Civil
    dgn
    CIVIL
    CONNECT Edition
    OpenSite Designer
    Civil
    dgn
    CIVIL
    CONNECT Edition
    OpenTower Designer
    Open Tower
    otxml
    OPENTOWER
    CONNECT from Update 2
    ProStructures
    Prostructures
    dgn
    PROSTRUCTURES
    CONNECT from Update 6

    Third Party applications

    Application
    Connector
    Extension
    Connector Identifier
    Supported Versions
    3D Studio
    MicroStation
    3ds
    MSTN
    AutoCAD
    AutoCAD Dwg
    dwg, dxf
    DWG
    2015 - 2025
    Civil 3D
    Civil3D
    dwg
    CIVIL3D
    2015 - 2025
    Intergraph Smart 3D Review
    VUE
    vue
    SPXREVIEW
    Intergraph Smart P&ID
    SmartPlant P&ID
    zip
    SPPID
    2014 R1, 2019
    Navisworks
    Navisworks
    nwd, nwc
    NWD
    2013 - 2024
    Revit
    Revit
    rvt
    REVIT
    2015 - 2024
    Rhino
    MicroStation
    3dm
    MSTN
    Sketchup
    MicroStation
    skp
    MSTN
    2017 - 2022

    Interchange formats

    Interchange Formats
    Connector
    Extension
    Connector Identifier
    Supported Versions
    ACIS
    MicroStation (via dgn)
    sat
    MSTN
    Up to 25.0
    ArcGIS Feature Service
    Geo
    geodb
    GEOSPATIAL
    10.6 and higher
    Autodesk 3DS Max
    MicroStation
    3ds
    MSTN
    CGM
    MicroStation (via dgn)
    dgn
    MSTN
    1
    Collada
    MicroStation (via dgn)
    dae
    MSTN
    Hidden edges
    MicroStation
    hln
    MSTN
    DXF
    AutoCAD
    dxf
    DWG
    2015 - 2022
    FBX
    MicroStation
    fbx
    MSTN
    Up to and including 2011
    Geojson
    Geo
    geojson
    GEOSPATIAL
    IFC
    IFC
    ifc
    IFC
    IFC2x3, IFC4, IFC4.3
    IGES
    MicroStation (via dgn)
    igs
    MSTN
    2.0, 3.0, 4.0, or 5.0 fixed-length ASCII
    iModel
    MicroStation
    i.dgn
    MSTN
    JT
    MicroStation (via dgn)
    jt
    MSTN
    8.0 - 10.6
    kml
    Geo
    kml
    GEOSPATIAL
    Land XML
    MicroStation (via dgn)
    land.xml
    MSTN
    MIF / MID
    MicroStation (via dgn)
    dgn
    MSTN
    OBJ
    MicroStation
    obj
    MSTN
    Parasolid
    MicroStation (via dgn)
    x_t
    MSTN
    Up to 13.0
    Shape files
    Geo
    shp
    GEOSPATIAL
    Sketchup
    MicroStation
    skp
    MSTN
    2017 - 2022
    STEP
    MicroStation (via dgn)
    stp
    MSTN
    STL
    MicroStation (via dgn)
    stl
    MSTN
    VUE
    VUE
    vue
    SPXREVIEW
    Web Feature Service (WFS)
    Geo
    geodb
    GEOSPATIAL
    SVG
    MicroStation (via dgn)
    dgn
    MSTN

    Note: Files in the format listed with the Connector value of "MicroStation (via dgn)" must first be imported into MicroStation and saved as a dgn. The produced dgn files can then be synchronized by the MicroStation Connector.

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