How can I set All Activities as the default search in classic Sales?

To default the All Activities filter in the Activities subtab in classic Oracle Sales, set the profile option ORA_ZMM_ACTIVITY_FILTER_TYPE to All Activities.

Here's how to set the profile option:

1. Go to Setup and Maintenance.
2. Expand the side search pane and search for the Manage Activity Standard Lookups task.
3. Find ORA_ZMM_ACTIVITY_FILTER_TYPE in the list of profile options and select it.
4. Change the Display Sequence for ALLACTIVITIES to 1.
5. Save your work.