You can bulk-assign multi-site employees to sub-sites of the multi. Follow the steps below to do so.
- Click the Sites tile.
- Filter the list of sites by "Multi-Site Clients."
- Check the multi-sites for which you would like to assign employees to sub-sites.
- Check the option Assign Multi-Site's employees to their sub-sites.
- Click the Save button.
Confirm the action by clicking the Save button.
You cannot reverse this action, confirm that you agree. 
Once the process is complete, you will receive a message that the operation was successful. Click the Save button to complete the process.
