Go to any option that requires a search (i.e. Communicate >> Send Email; People >> Search, etc.)

Module, Status and Communication: select status(es) and option(s) to include

Click the [Add Search Criteria] button

Search Type: Select “Client Activities”

Select the desired Match Type from the drop-down list:

Click the [Add Search Criteria] button to add additional options to your search, or click the [Search] button to run your search