Step 1: Download Apptoto/Outlook connector
Download by clicking here: Setup.exe
Works with Outlook 2007, 2010, and 2013
Use your password (or the api key on the Account tab as your password)
Save the setup.exe file to your hard drive.
Step 2: Install Apptoto/Outlook Connector
Double click the setup.exe file that you downloaded in the previous step.
Click “Install” in the dialog that appears and complete the installation wizard.
Step 3: Click Login in the Apptoto menu
Open Outlook after installation completes. You should see a “Apptoto” menu.
Click the “Login” button.
Sign in using your Apptoto username and password (or API KEY from the “Account” tab on apptoto.com if you signed in using Google)
Step 4: Choose the calendar you want to sync in the settings dialog
Step 5: Click the Sync button
Step 6: Check the “Appointments” tab
Go to Apptoto.com, click “My Account” in the top right, then click on the “Appointments” tab. Confirm that your calendars appear in Apptoto.
Now that your calendars are connected, next steps to setting up your account is to set up your default messages. For a walkthrough of that, see message setup.