Go to Settings in the left navigation panel on your Zoho Sign dashboard.
Select Contacts under General from the dropdown menu.
Click the Plus icon next to the Search contacts field to enter the contact details and click Add.
Editing Contacts
Go to Settings in the left navigation panel on your Zoho Sign dashboard.
Select Contacts under General from the dropdown menu.
Click the Edit icon at the right side of your contact preview page to edit the details.
After editing the necessary fields, click Update.
Enabling the Share this contact option allows you to share the contact with other users in the organisation and other users will be able to view the contact in their contacts screen as well.