Archiving a sequence removes it from active use. Any contacts currently enrolled in that sequence are immediately stopped. No further steps will be executed.
The sequence is removed from the active list
All active enrollments stop instantly
It remains editable in the Archived section
It can be restored and used again at any time
Go to Sequences
Click the 3 dots on the specific sequence
Select Archive

The sequence will move to the Archived section

Access the Archived section from the top right button in Sequences.

Open the Archived section
Click the 3 dots on the sequence
Select Restore
It will return to the active Sequences page

Use archiving when a sequence is no longer needed in your active list but you may need to reuse, update, or reference it later.