IFC file

[Anonymous]

what needs to be downloaded to open an ifc file

[pendean]

You "import" into MEP https://knowledge.autodesk.com/support/autocad-mep/learn-explore/caas/CloudHelp/cloudhelp/2019/ENU/A...

[s.borello]

Typically an IFC file would be imported into AutoCAD MEP... if you want a free viewer, there are a few to choose from.  Attaching a link to one for you to check out if you need it. 

https://bimvision.eu/en/free-ifc-model-viewer/

[dwood]

Another free viewer is Solibri.  30 day free trial, then it becomes a free viewer.  https://www.solibri.com/