
The purge command does not remove everything.Purge is also the most potentially damaging… types you wanted to keep, or different families loaded in for use in the future will be removed without the proper precautions.This is number one on the list since it’s the easiest, but also most impactful to file size. Purge and get rid of any unused families, items, etc.The main goal with Revit is to have someone actively monitoring this (BIM Coordinator) so that things won’t get out of control. There is a lot of information being put into a database that is going to increase the size no matter what you do. Note that file size is going to increase. The listed items below are generally what to check and start with in order to reduce file size.

Every project is different, and there is no exact formula for keeping a project file size down.
