Using the web client, you can also share your share with others.
1. Go to the Share list and right click the share.
2. Click on Edit share in the popup menu.
3a. Invite the user(s) to the share with the "+" button.
3b. You can narrow your search using the Search field.
3b. If the user is a new user, then click the "Invite users" button in the top-right corner.
(They will also have to activate their account before using the share)
4. Set the user(s)' permissions.
If you are an external user, you are not allowed to share the data further.
If you want to give access to specific folders inside your share, please refer to our article: Subfolder sharing