[Top 9 Ways] How to Fix Outlook Not Working on iPhone

What should you do when Outlook not working on iPhone? Why not use these top 9 ways to solve the problem! And you can also get a useful tool to help you troubleshoot it efficiently.

Kathy by Kathy Updated November 7, 2023
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As a personal information manager software system, Microsoft Outlook can help individuals and businesses easily send emails, view calendars, manage contacts, and more.

outlook

If it can’t function correctly on your iPhone, then a significant impact may occur on your work and personal life. Why does this issue happen, and how can it be solved? Read on to find the answers.

Why is Outlook not working on iPhone?

Behind this issue, there are several possible reasons.

indecision Wrong Outlook syncing settings.
indecision The Outlook account isn’t connected to the default Mail app.
indecision The Do Not Disturb mode is enabled on your iPhone.
indecision The email fetching settings need adjustment.
indecision Some network errors exist on your device.
indecision Incorrect email configurations.
indecision Some unknown errors lie within your Outlook app or iOS system.

 

How to fix the Outlook app not working on iPhone

After knowing the possible reasons, now you can use these 9 useful ways to fix the Outlook app issue on iPhone.

Method 1. Change the sync settings

If the issue comes with Outlook syncing settings, you can solve it by adjusting it: Go to your iPhone's Settings > Scroll down and tap on Passwords & Accounts > Select the Outlook account that is already set up > Look for the Mail Days to Sync option > Choose No Limit.

delete outlook account

By following these steps, your Outlook emails will sync automatically, ensuring that you have access to all your messages.

Method 2. Connect Outlook account to the stock Mail app

If you have missed connecting your Outlook account to the default Mail app. You can open the email you received from Microsoft > Look for the option that says Continue using this email app at the bottom of the email.

continue using this email app

Method 3. Disable the Do Not Disturb mode

If the Do Not Disturb feature is enabled on you device, you can go to your iPhone's Settings > Choose Focus > Tap on the Do Not Disturb option to turn on it on your iPhone.

do not disturb

Alternatively, you can quickly access Control Center on your iPhone > Touch and hold the Focus icon, then tap on Do Not Disturb to disable it.

Method 4. Enable Fetch New Data

Sometimes, when the Microsoft Outlook not working on iPhone issue occurs, it's possible that your email fetching settings need adjustment. And you can open the Settings app on your iPhone > Go to Passwords & Accounts > Select Fetch New Data > Enable Push to make it. And this action will push new data to your iPhone from the server.

fetch new data

Method 5. Reset Network Settings

If none of the previously mentioned methods resolve your issue, you can attempt to fix the problem by resetting your network settings: Go to the Settings app > General > Reset > Choose Reset Network Settings.

reset network settings

Once the process is complete, you can reconnect your network to check if the problem is fixed.

Method 6. Turn on Airplane Mode and turn off

Apart from resetting network settings, turning on and then off airplane mode can also help solve network issues.

You can access the Control Center by either swiping down from the top-right corner of the screen (on iPhone with Face ID) or swiping up from the bottom edge of any screen (on iPhone with Touch ID) and clicking the Airplane Mode icon to turn on it.

airplane mode

Or go to the Settings app on iPhone > Choose Airplane Mode > Tap the option to enable it. After a while, repeat the steps to toggle it off and check if the issue was fixed.

Method 7. Delete email and set up again

If your Outlook is not working due to incorrect configurations, you can rectify this by removing the email account and setting it up again.

Just open the Settings app on your iPhone > Tap Accounts & Passwords > Select the Outlook account that is causing issues > Choose Delete Account > If prompted, tap Delete email to confirm the action.

delete outlook account

After a while, you can re-enter your email details by adding the Outlook email account again.

Method 8. Delete and reinstall Outlook again

If the issue lies within the Outlook app on your iPhone, you can try to remove the app and then reinstall it to fix. Before the process, it’s better to back up your Outlook data on iPhone to avoid data loss. Then FoneTool will be your good helper.

laugh Super-fast backup speed: FoneTool offers fast backup speeds that far surpass those of iTunes and iCloud. So you can move hundreds of files in seconds.
laugh Preview and selective backup: With FoneTool, you can make a full backup or choose to selectively back up iPhone photos, videos, music, contacts and messages as you like.
laugh No Apple ID restrictions: FoneTool can help you restore the iPhone selective/full backup or transfer iPhone data to another iOS device without any Apple ID limitation.
laugh Wide compatibility: With FoneTool, you can manage all models of iPhone/iPad/iPod Touch data on Windows 11/10/8.1/8/7/XP efficiently, as well as iPhone 15 and iOS 17.

Now you can download FoneTool on your Windows PC to fully back up all iPhone files including Outlook data.

Download Freeware Win 11/10/8.1/8/7/XP
Secure Download

Step 1. Connect the iPhone to your computer via USB > You may need to tap Trust to let the PC access your iPhone data.

Step 2. Choose Phone Backup > Full Backup and click Get Started.

start to back up

Step 3. Check Enable Backup Encryption as you like. Then select a storage path to save the backup and click Start Backup to begin the task.

confrim to back up

Then you can easily delete the Outlook app on your iPhone and go to the App Store to install it again.

After that, you can launch FoneTool and go to Backup History to restore your iPhone backup.

restore backup

Method 9. Update software

If there is an outdated iOS system running on your iPhone, you can update it to fix the issue. But the update process may bring some iPhone data loss such as contacts. So you’d better use the FoneTool mentioned in method 8 to back up your iPhone data first.

Once the backup is complete, you can go to the Settings app on your iPhone > Select General > Tap on Software Update > Click Update Now to initiate the process.

Final words

Now you can know how to fix the Outlook not working on iPhone 13/14/15 issue. And if you need to reinstall the Outlook app or update your iOS system, you can use FoneTool to back up your data first. With this useful tool, you can also factory reset your device in one click when you can’t open apps on your iPhone.

FoneTool - All-in-one iPhone Data Manager

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  • iOS 18 Compatible
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