Does CiraSync Support Multi-Factor Authentication? Share on Yes, CiraSync supports multi-factor authentication. It can be set for the admin and dedicated service account associated with your tenant in the Office 365 Admin Portal. Related Articles Removing CiraSync Personal Edition User Consent from Office 365 What are the requirements for the CiraSync Service Account? Consolidating CiraSync License Packs Resolving Linked, Merged, and Corrupted iOS Contacts Can I export my contact lists from the CiraSync dashboard?