The BCF file format, which stands for BIM Collaboration Format, allows for exchanging model-based information through issue exports between different BIM software tools.
The Issues tool allows you to export an issue or issues of your choice as a BCF file and share them with other BCF-supported apps. You can also import issues from a BCF file, but the import feature is currently in private beta and has been made available only to a limited number of customers.
The BCF export supports the following:
See this blog post to learn when to use BCF export and how it can streamline your workflows by improving IFC-based processes.