The directions below reference the new VoiceThread interface ( legacy interface will be available until Summer 2024). To switch to the new VoiceThread now, follow these steps.
Select VoiceThread to Share.

In VoiceThread, locate thread you'd like to share and select the three dots icon on the bottom right corner.
Select the Share (i.e., arrow) icon.

Once the menu appears, select the share icon to view sharing options.