Matteo Cominetti’s BCFier is one of the most useful, free addins for Revit when it comes to working with BCF files. And it also includes a free standalone BCF viewer. You can download latest version here:
https://github.com/teocomi/bcfier/releases/download/v2.0.1/BCFier.exe
Learn more at:
BCFier
![Rod Howarth: [Revit]–Free API addin–Revit Save Reminder, alerts you when your save to central is complete.](https://wrw.is/wp-content/plugins/contextual-related-posts/default.png "Rod Howarth: [Revit]–Free API addin–Revit Save Reminder, alerts you when your save to central is complete.")
