Go to: Configuration, then click on “Manage Activities” found in the sidebar under Activities
For long activity lists, use the filters in the top panel and click the green [Filter Activities] button
Mouse over the Options icon beside the Activity
Click on “Edit”
Click on the Schedule tab
Optional: Apply filters in the top panel to isolate the shifts you would like to edit and click the green [Filter Shifts] button.
Check the boxes next to the shifts you would like to change (or check the “Select All” button at the bottom)
In the “Change Selected” drop-down list near the bottom, choose:
Override Minimum Volunteers: to change the minimum number of volunteers required for these shifts
Enter the new minimum number
Click the [Override Minimum Volunteers] button
Remove Minimum Volunteers Override: to reset the minimum number of volunteers
Click the [Remove Minimum Volunteers Override] button
Override Maximum Volunteers: to change the maximum number of volunteers allowed in the shift
Enter the new maximum number
Click the [Override Maximum Volunteers] button
Remove Maximum Volunteers Override: to reset the maximum number of volunteers
Click the [Remove Maximum Volunteers Override] button
Once you have made all of the changes you wish, click the [Close] button