Currently, we are not able to filter out the users/accounts based on the Salesforce Contact ID/Account ID, even though it is a standard attribute.
Even after exporting the Accounts/Audience, we are still not able to get the data of SFDC ID value. Can we make it possible to filter out the data by using the SFDC ID.
Here is the video,
https://share.vidyard.com/watch/PRooCgt5E2FnTQMWUS9YK6?