Step 1: Go to Subscribers > Subscriber Management.

Step 2: Click Filter By. You have 11 options:

  1. Tags
  2. Sequences
  3. OTN Tags
  4. Last Interaction
  5. Last Interaction (24 hours)
  6. Last Sent
  7. Segment
  8. Gender
  9. Subscribed
  10. Locale
  11. Custom Audiences

**Select your chosen filter. And filter down your list by clicking the Add button. Then select all the particular people you want in that segment.

Step 3: Enter Segment Name.

Step 4: Go to Segments. You can find there the segment you just made.

Note: You can also edit and remove your segment.