Sync Rackspace Calendar With Outlook. One of the fastest and most straightforward ways to add rackspace email to outlook is to use the rackspace backup tool. Sync your rackspace email, contacts, notes, and calendar with your mobile device using mobile sync.

To sync calendars for mac with an outlook account, tap outlook when launching calendars for the first time, then follow the onscreen instructions. 4.on the general tab, choose clear.