How do I save a Marketing List segment to use it in the future?

Yes, you can use saved marketing list segments at a future date also.
Follow these steps to create and save a Marketing List segment:

1. Log in to your CRM account.
2. Click the Main Menu.
3. Go to Marketing.
4. Select Marketing Lists.
5. Select and open the marketing list in which you want to create a segment.
6. Click the Segments tab in the Summary View.
7. Click +New Segment.
8. Enter the segment name.
9. Click +Add Condition to add conditions that must be met to create a segmented list.
10. Click Get count to get the number of subscribers on the segmented list.
11. Click Save to save the segment and use it while creating email campaigns in the future.