The Calendar feature on the iPhone is one of the most useful features on the device. Its ability to sync with different apps allows the users to keep a track of important events. Lately, some iPhone users are facing an issue where the iPhone Calendar is not syncing with the Outlook Calendar.

This issue is occurring in iPads and iPod Touch as well. It is either that the events entered into the iOS Calendar app don’t appear in the correct Outlook calendar or if they appear, important information goes missing. Fortunately, there are some quick troubleshooting techniques to address this issue.

Reasons why is it Happening?

Before troubleshooting, it is important to understand why this issue is occurring. Narrowing down the reasons will help you in addressing the issues quickly. Some of the reasons why this issue occurs are:

  • Data may not be syncing properly over the network.
  • The Outlook account may not be connected to the iPhone.
  • The calendar may not be configured as it should.
  • Incorrect calendar selection while creating an event.

How to Address?

After reading the reasons, you may already have developed an understanding regarding the troubleshooting techniques. Luckily, there are many ways through which you can address the issue. Here is a list of all the proven techniques that can help you with the matter.

Use Wi-Fi Connection:

If you are using a cellular network then it could be delaying the synchronization process in a bid to save the data. You can simply switch to a stable Wi-Fi connection and then start the data synchronization to see if it works.

Disable the Airplane Mode:

Disable the Airplane Mode

If you have enabled the Airplane mode on your iPhone then your data will not sync properly. If you have enabled it during a flight or while watching a movie then disable it as soon as you are done with it. After disabling the Airplane mode, connect your iPhone to a Wi-Fi connection and give it some time to synchronize the data properly.

Disable Low Power Mode:

Many iPhone users choose to enable the low power mode when their iPhone’ battery is low. Sure, it does save you a lot of battery, but at the same time, disables most background activity including downloads and data syncing between services. To disable low power mode, you need to:

1. Go to the Settings on your iPhone.

2. Tap on the option Battery.
Low Power Mode

3. Toggle off the option Low Power Mode to disable it.

Check for App Updates:

One of the reasons why the synchronization may not be happening properly is the outdated Outlook app. If you have enabled the automatic updates then the latest version will be updated automatically. If you haven’t, you will need to go to the App Store and tap on the Update tab. Now locate the Outlook app and make sure it is updated to the latest version. Once done, try syncing the calendar with the Outlook app again.

Check the Permissions:

First, you need to ensure that you have logged in with the right Outlook account. Once assured, you will need to check that if your Settings allow the Outlook app to sync with the Calendar. To check that, you will need to follow the simple steps mentioned below.

1. Go to the Settings on your iPhone.

2. Tap on the option Passwords and Accounts.

3. Tap on the option Outlook.

4. Now make sure that the option Calendar is toggled on for the Outlook. If it is already toggled on then toggle it off for a few seconds and then toggle it back on.

Check your Default Calendar:

You must ensure that you are using the correct calendar in the Calendar app. For instance, if you are facing sync issue with the Outlook then it may be due to the wrong calendar. You may have not checkmark the Outlook Calendar in the settings. To ensure that, you need to:

1. Go to the Settings on your iPhone.

2. Tap on the option Calendar.

3. Tap on the option Default Calendar.

4. Now, make sure your preferred Outlook calendar is the one checked from the list of options available.

Force Restart:

If none of the techniques helps the cause then you may have to force restart your iPhone. It is one of the proven techniques to address various iOS related issues including this one. Here is how you can force restart different iPhone models.

For iPhone 8 or Later:

Quickly press-release the volume up button, then press-release the volume down button in quick succession. Once done, press-hold the sleep/wake button until the Apple logo appears on the screen.

For iPhone 7 & 7 Plus:

Press-hold the sleep/wake button in tandem with volume down button for at least 7-10 seconds. Do not release them until the Apple logo appears on the screen.

For iPhone 6 Plus & Previous Models:

Press-hold the home and side/top button (as per the model) for 10 seconds. Do not release them until the Apple logo appears on the screen.