Click the box next to "Audit." Click "Open." Revit audits the integrity of your project file and its constituent elements. This process may take several minutes, depending on the size of the project.

AEC software manufacturer Autodesk’s Revit Industry Foundation Classes (IFC) Exporter computer code is now available as open source software, licensed through a LGPL v. 2.1 licensing ...

A guide to using SketchUp's Revit Importer tool to maximise and optimise its use within SketchUp and back to Revit.

Revit is a database that keeps track of everything (even internal errors), so the end result would be a file that’s much heavier than normal and full of corruptions from the previous project (s).