Here are ways to invite others to a shared folder/label:

Add more members to a shared folder:
Note: Member has not been invited in this case.

  1. Go to the Share tab.
  2. Click the dropdown of the shared folder to see members who have access:
    Shared folder
  3. Click “Add more people” to invite other members to access the shared folder:
    Invite

Reinvite a member to a shared folder
Note: Member has already been invited in this case.

  1. Go to the Share tab.
  2. Click the dropdown of the shared folder to see members who have not accepted the share:
    Shared folder
  3. Click “Reinvite” to reinvite the member to a shared folder:
    Reinvite

Invite members via some other means (Skype, email, etc)

  1. Go to the Share tab.
  2. Click the dropdown of the shared folder to see members who have not accepted the share:
    Shared folder
  3. Click “Copy Link” to copy invite link to a shared folder:
    Copy Link
  4. Then share this link to others via Skype, email, etc