How to Resolve Error on Outlook App Keeps Crashing

By Vernon Roderick, Last updated: October 13, 2020

Outlook is one of the popular email and personal information manager for business or personal that is bundled in the Microsoft Office suite. With Microsoft Outlook, you can send and receive emails, manage and store contacts, emails, calendar appointments, tasks, notes, journals, and many others. There are times however that you might encounter issues with your Outlook application that will affect your work.

This article discusses about the issue on Outlook app keeps crashing and becomes unresponsive. There are many causes as to why this problem happens. It may be caused by software or hardware issues. This tutorial guide provides many methods that you can follow step by step. This may work or may not work depending on the scenario that you face. In case of data failures, a highly recommended tool to recover your deleted or lost data called FoneDog iOS Data Recovery can help rescue your data.

9 Methods to Resolve Issue on Outlook App Keeps CrashingBonus: Recover Deleted Data with FoneDog iOS Data RecoveryIn Summary

9 Methods to Resolve Issue on Outlook App Keeps Crashing

This section provides several methods that will teach you on how to resolve the issue on Outlook app keeps crashing on your iOS devices. An app is a third-party software that may crash on your device for some reasons. The Outlook app may become unresponsive, suddenly closes, or disappears when you launch it. Below are the step by step instructions on how to resolve the app crash problem.

Method 1: Close or End the Outlook App

If the Outlook app keeps crashing, end or kill the app. You can do this using the App Switcher. Then, launch the app again on your device.

How to end or kill the Outlook app:

  • Step 01: Double tap the Home button which will show the list of open and used applications. On other models or versions, you can swipe up from the bottom of the screen, then hold to display the list of open and used applications
  • Step 02: Tap on the Outlook app and swipe up to close or end it.
  • Step 03: Launch again the Outlook app and see if the issue is resolved.

How to force quit the Outlook app:

  • Step 01: On your device, head on to
  • Step 02: Select Outlook from the list of apps.
  • Step 03: Tap on Stopor Force Stop.
  • Step 04: Tap OK. The Outlook app will be force closed.
  • Step 05: Launch and sign in again to the Outlook app.

Method 2: Restart your iOS Device

You can also restart your iOS device to clear off memory and start a new state of your device. Try the steps below if this resolves the issue.

  • Step 01: On your iOS device, press the Power button for a few seconds.
  • Step 02: Swipe the Slide to power off icon from left to right to switch off the device.
  • Step 03: Press again the Power button to switch on the iOS device.

Method 3: Clear Cache and Data of the Outlook App

Make sure also that your mobile device has enough memory and storage space to run the Outlook app to prevent it from crashing or becoming unresponsive. You can also use a third-party tool to clean the junk and clear the space and memory of your device.

How to clear cache and data of the Outlook app:

  • Step 01: On your iOS device, head on to Settings.
  • Step 02: Select Outlook from the list of apps.
  • Step 03: Tap on Clear data.
  • Step 04: Then, tap on Clear all data.
  • Step 05: Tap on Clear cache.
  • Step 06: Open again the Outlook app and sign in with your account.

For the other apps, you can do the clear cache.

Method 4: Update the Outlook App

Sometimes the Outlook app keeps crashing or becomes unresponsive because it is outdated. You need to get updates to your apps in order to prevent issues and install the fixes and changes the developers have deployed to the app’s latest version.

  • Step 01: Go to the App Store. Enter your Apple ID and password to sign in when prompted.
  • Step 02: Go to the Updates In other versions, you can tap your profile photo and go to Upcoming Automatic Updates.
  • Step 03: On the top right corner of the screen, tap Update All to install the update to all your apps. If you want to update only a specific app, tap on Update next to the Outlook app.

You can also update your apps using iTunes with your iPhone connected to your computer via a USB connection.

Method 5: Delete the Outlook App

To resolve the issue on Outlook app keeps crashing or becoming unresponsive, you may need to delete the Outlook app and reinstall it on your iOS device. The Outlook app in your device may have some errors that needs a reinstall. There are also some updates and fixes that are deployed to the latest version of the app that you need to download.

How to delete the Outlook app from your iOS device:

  • Step 01: On your iOS device, tap and hold the Outlook app until it jiggles.
  • Step 02: Next, tap on the xicon next to the Outlook app.
  • Step 03: Tap on Delete.
  • Step 04: The Outlook app is now deleted from your iOS device.

How to reinstall the Outlook app from your iOS device:

  • Step 01: Go to the App Store. Enter your Apple ID and password to sign in when prompted.
  • Step 02: Search for the Microsoft Outlook
  • Step 03: Click on the download arrow icon next to the Outlook app to download and install it to your iOS device.
  • Step 04: Wait until the download and install process is complete. Then, launch the newly installed Outlook app and sign in using your email address and password.

How to set up your account for Outlook mail:

  • Step 01: On your iOS device, open the Outlook.
  • Step 02: Enter your email address. You can also go to the Menuand select Settings. Then tap Add Account and select Add Email Account.
  • Step 03: Click on Add Account.
  • Step 04: Enter your password.
  • Step 05: Click on the Sign in When prompted for two-factor verification, approve a sign in request.

Method 6: Remove your Outlook Email Account

To resolve the issue on Outlook app that keeps crashing, try to remove your account associated to your Outlook email. Then, add it again. To remove your account, you need to do it in the Settings of your device instead of doing it in your Outlook app. Removing your email account will not delete the emails nor your Outlook account from the server. You can still access these using the web and other mail apps. It will only delete emails from your iOS device.

How to remove your Outlook email account:

  • Step 01: On your iOS device, go to Settings.
  • Step 02: Next, tap on Passwords & Accounts. In other iOS versions, tap on Mail, Contacts, Calendars and click
  • Step 03: From the list of accounts, select the Outlookemail account that you want to remove.
  • Step 04: Tap on the Delete Account.
  • Step 05: On the bottom part of the screen, tap ​on Delete from My iPhone to confirm.

How to add your Outlook email account:

  • Step 01: On your iOS device, go to Settings.
  • Step 02: Next, tap on Passwords & Accounts. In other iOS versions, tap on Mail, Contacts, Calendars and then tap on Accounts.
  • Step 03: From the list of accounts, tap Add Account on the bottom part of the screen.
  • Step 04: Select com on the list of mail providers.
  • Step 05: Enter your email address and password. Then, tap Sign in. Approve a sign in request if there is a two-step verification of your email account.
  • Step 06: Select Yesto answer the question on Let this app access your info. This is so Outlook can set up your mail account.
  • Step 07: Open your Outlook mobile app and see if it now works.

Method 7: Check System Update for your iOS Device

Another reason that may cause the error on Outlook app that keeps crashing or becoming unresponsive is an outdated iOS version in your device. Regularly check for the latest updates to be installed to your iOS device. Do not worry as the settings and data on your device are preserved but you may create a backup of your iOS device before you do the system update just in case the new version won’t work or would cause issues to your device.

  • Step 01: On your iOS device, open Settings.
  • Step 02: Next, tap on General.
  • Step 03: Tap on Software Update.
  • Step 04: Your iOS device will check for the latest version. If there are new updates, tap on Download and Install on the latest version. Wait until the system update is completed.
  • Step 05: Launch again the Outlook app and see if you can use it successfully.

You can also obtain the system updates using iTunes from your computer.

Method 8: Get Help and Contact Outlook Support

Should you need to contact the Microsoft Outlook support team for issues that are not resolved, you can get help or contact them by following the steps below.

How to get help for Outlook:

  • Step 01: On your iOS device, go to Outlookmobile app.
  • Step 02: Tap your profile photo.
  • Step 03: On the left panel of the screen, tap on the question mark icon.
  • Step 04: Under Help & Feedback, tap on FAQs.

How to contact support for Outlook:

  • Step 01: Go to Outlook mobile app.
  • Step 02: Tap on your profile photo.
  • Step 03: Tap on the question mark icon found on the left side of the screen.
  • Step 04: Tap on Contact Support under Help & Feedback.

Method 9: Visit Apple Store

If the error on app keeps crashing is not resolved and it may be caused by a hardware issue, contact the Apple Support online or visit an Apple Store near you.

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In Summary

Microsoft Outlook is a useful email and information manager that you can use in work, business or personal. It has many features including but not limited to managing and storing address books, sending and receiving emails, managing calendars, tasks and many more. Issues may arise with the third-party apps in your device such as Outlook app keeps crashing. The factors that cause it may be software or hardware issues. You can check the multiple methods presented in this article guide. You can check if it is an app issue or a device issue. In case of data loss while you update the apps or due to app crashes, you can use FoneDog iOS Data Recovery to help you recover the lost or deleted data from your iOS devices such as iPad, iPod and iPhone.

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Vernon Roderick

Technical Expertise for PC / YouTube Scriptwriting /Website Optimization

One of my passion is to develop software of my own

I write articles to share knowledge about IT technology and some experience in developing my own software, and developing my own software is one of my passions for work.

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