# Edit a segment
You can access the segment editor from two places.
## From the Segment List
Expand **Segments** then click **Segments**.
Search for or scroll to the segment you're looking for.
Click the **drop down arrow** to the right of the segment name.
Click **Edit**

Edit from segment list
## From the Segment Summary
In the top right corner, click **Edit**.

## Considerations
Think through how edits will potentially affect any attached flows or dependent segments.
To view attached flows, click the drop down to the left of **Edit**.

If there are no attached flows, **No Running Flows** displays:

If you know what datasets are being used by your segment, you can also review dependencies using the[ Data Explorer](🔗).
# Copy a segment
You can copy a segment from two places. If the segment references other segments in its conditions, those references are included in the copied segment as well.
## From the **Segment List**
Click the **drop down arrow** to the right of the segment name.
Click **Copy**.
A new segment summary displays with COPY appended to the title. Click in the title to change the name.

Copy from the Segment List
## From the Segment summary
Click the **ellipsis icon** to the left of Edit.
Click **Copy**.
A new segment summary displays with COPY appended to the title. Click in the title to change the name.

## Undo a copy
To undo a copy, [delete](🔗) the segment.
# Delete a segment
You can delete a segment from two places. Segments associated with running flows, or those referenced in another segment, can't be deleted.
## From the Segment List
Click the **drop down arrow** to the right of the segment name.
Click **Delete**.
Confirm you want to delete that specific segment.

## From the Segment summary
Click the **ellipsis icon** to the left of Edit.
Click **Delete**.
Confirm you want to delete that specific segment.
