Lighting Outlook Sync FAQ
- What is the frequency of syncing the events and contacts using Lightning Sync?
Depending on multiple internal and/or external factors (which includes User base and number of records in sync), initial sync could take time ranging from 48-72 hours or even more. Once initial sync is completed, every newly created record will be synced in minutes.
Log a Support Case with Salesforce if you see major delay's in syncing of records.
FAQ on Salesforce Lightning Sync:
https://help.salesforce.com/apex/HTViewSolution?urlname=Salesforce-Lightning-Sync-FAQ&language=en_US