Screenful Digest is a weekly update of your team status delivered to your email. To manage your Digest subscriptions, open the Account ► My digests from the Setup menu.
Tick the boxes of those dashboards that you want to get as a weekly snapshot on your email. Each dashboard has it's own digest, so if you have multiple subscriptions here, you will receive them as separate emails.
If you are an Admin, you can also manage the recipients of the weekly digest. Just go to Settings ► Digest in the Setup menu. There you'll see a list of all users in your account with access to the dashboard, and you can select the individuals that should receive the digest. You can add more receivers to the list by inviting them first.
Click Save, the selected recipients will receive a Weekly Digest into their email every Monday.