The PTC Community will be on read only status starting March 23rd in preparation for moving our platform to a new provider. Read more here
The first thing to do is to track the information about the downloaded event.
How to get "Download" event information in Security Audit Reporting
Then you can report about list of downloaded CAD documents
To get dimension of attachments you can use this report
Report that lists the size of CAD Documents and their location
Here another way to get size of documents
