Where Can I Find A Mailing/Campaign Calendar?

A mailing calendar can be found on the Homepage using the Mailing Calendar widget. Add it to your default homepage dashboard to display your account's current, future, and previously scheduled mailings.

How-To

1. Click the “Add Widget” button in the top-right of the homepage of your account.
2. Scroll to the bottom of the list and click the + sign next to Mailing Calendar.
3. Drag and drop the Mailing Calendar into the place on your homepage dashboard to your preference.
4. Click "Ok" button.
   
   

Notes

Additionally, you can find a view for "Planned Mailings" in Analytics > Customer Overview: 

Customer Overview reports are available to all Site Administrators, or Account Administrators with the "Customer Overview Reports" permission set: