In this article, we'll explain how to sync an Outlook calendar with your iPhone and what to do if it doesn't work.
How to Fix iPhone Calendar Not Syncing
Some of the most common reasons why iPhone calendar events are not syncing properly with Outlook include:
The proven strategies for resolving iPhone Outlook calendar syncing issues are listed from most common and easiest to least common and time-consuming. It is advisable to go through these solutions to effectively identify and fix the root cause.
Switch to Wi-Fi. In order for iPhone and Outlook calendars to sync properly, the data needs to be sent to the online servers and then re-downloaded to the other device. Data syncing can be delayed when your iPhone is on a cellular connection, so try connecting to Wi-Fi and see if that works.