If you need to sign out of Outlook on your iPhone, you are probably doing one of a few things: switching to a personal account, removing a work email from a shared phone, fixing sync issues, or simply taking a break from constant notifications. Whatever the reason, the good news is that the process is quick once you know where to look.
The main thing to understand is that Outlook on iPhone does not always work like a traditional desktop app with a big obvious Sign out button. In many cases, you are actually removing the account from the app, or signing out by deleting the app’s saved account data. This guide walks you through the fastest method first, then covers alternate methods, FAQs, tips, and troubleshooting so you can choose the right option for your situation.
Quick Summary
If you want the short version:
- Open Outlook on your iPhone.
- Tap your profile icon, then go to Settings.
- Select the email account you want to remove.
- Tap Delete Account or Remove Account.
- Confirm the change.
If you do not see a sign-out option, removing the account from Outlook is usually the same practical result on iPhone.
Tutorial – How to Sign Out of Outlook on iPhone
The steps below will remove your Outlook account from the app on your iPhone. After that, you will no longer receive mail, calendar alerts, or sync updates for that account until you sign back in.
Step 1: Open the Outlook app on your iPhone
Launch the Outlook app from your Home Screen or App Library.
Once the app opens, you should land in your inbox or a recent mail view. If you are already inside Outlook, that is fine, just continue to the next step.
Step 2: Tap your profile icon in the top-left corner
Tap the circular profile icon or your initials in the upper-left corner of the screen.
This opens the account menu. On most iPhone versions, you will see your email accounts listed along with shortcuts to Settings, folders, and other Outlook options.
Step 3: Open Outlook settings
Tap Settings, usually shown as a gear icon near the bottom of the menu.
You should now see the settings page for Outlook. This is where Microsoft stores account controls, notification settings, and app preferences.
Step 4: Select the account you want to sign out of
Under the Mail Accounts or Accounts section, tap the email address you want to remove.
If you use more than one account, make sure you choose the correct one. After tapping it, you should see options related to that specific account, not the whole app.
Step 5: Tap Delete Account or Remove Account
Choose Delete Account or Remove Account, depending on your app version.
This is the key step. On iPhone, Outlook often uses account removal instead of a classic sign-out button. After you tap it, the app will usually ask you to confirm your choice.
Step 6: Confirm the action
Tap Delete or Remove when prompted.
After confirmation, the account should disappear from Outlook, and the inbox associated with that account will no longer appear in the app. If it was your only account, Outlook may return you to the welcome or sign-in screen.
Step 7: Close and reopen Outlook if needed
If the account still appears, force-close the app and reopen it.
This refreshes Outlook’s local session data. In many cases, account removal takes effect immediately, but restarting ensures the app updates correctly.
Alternative Methods and Edge Cases
Here are a few useful variations if the main method does not match your screen.
If you want to sign out of all Outlook accounts at once
If you have several accounts in Outlook and want a clean break, remove each account from Settings.
Outlook on iPhone does not always offer a universal Sign out of all accounts button. If you need to switch phones or hand the device to someone else, removing each account is the safest option.
If you only want to stop notifications, not sign out
If your goal is peace and quiet, you can turn off notifications instead of removing the account.
Go to Settings in Outlook, then Notifications, and disable mail alerts, calendar alerts, or both. This keeps your account signed in while stopping the constant pings.
If Outlook is connected through iPhone Mail settings
Some users added their email through the iPhone’s built-in Mail app, not Outlook.
In that case, go to Settings on your iPhone, then Apps or Mail, then Mail Accounts. Choose the account and remove it there if you want it gone from the device system-wide.
If you want to delete the app completely
You can uninstall Outlook if you want a full reset.
Press and hold the Outlook app icon, tap Remove App, then Delete App. This removes the app from your iPhone, but your Microsoft account itself is not deleted.
Frequently Asked Questions
Will signing out of Outlook delete my emails?
No. Signing out or removing the account from the app does not delete your emails from Microsoft’s servers. Your messages will still be there when you sign back in on another device or browser.
Can I sign out of just one Outlook account on iPhone?
Yes. If you have multiple accounts, you can remove only the one you want from Settings. The other accounts will stay signed in.
Why do I not see a Sign Out button in Outlook on iPhone?
That is normal. Outlook on iPhone often uses Delete Account or Remove Account instead of a traditional sign-out button.
How do I sign back into Outlook after signing out?
Open Outlook and tap Add Account or Get Started. Then enter your Microsoft email address and password, and follow the on-screen steps.
Will removing Outlook from my iPhone affect my work email on other devices?
No. Removing the account from one iPhone only affects that device. Your email still works on other phones, tablets, and computers.
Can I sign out without deleting the app?
Yes. You can remove the account from Outlook and keep the app installed. That is usually the best option if you plan to sign back in later.
Tips
- If you share your iPhone with family or coworkers, remove the account instead of just closing the app. Closing Outlook does not fully protect your mail.
- If you manage multiple inboxes, double-check the email address before tapping Delete Account. It is easy to remove the wrong one by mistake.
- If you are switching to a new phone, sign out of Outlook on the old device first for better privacy.
- If your issue is battery drain, turning off background refresh and notifications may help more than signing out.
- If Outlook keeps asking for your password, your account may need a re-authentication, not a full sign-out.
- If you use Microsoft 365 for work, your company may enforce sign-in rules. In that case, account removal may be temporary.
Troubleshooting
- If you do not see Delete Account or Remove Account, update Outlook from the App Store. Older app versions may store settings in different locations.
- If the account comes back after removal, fully close Outlook from the app switcher, then reopen it. The app may just need to refresh.
- If Outlook freezes during account removal, restart your iPhone and try again. A simple reboot fixes many app glitches.
- If you forgot your password and cannot sign back in, use Microsoft’s password reset page before trying again in Outlook.
- If the account is managed by your employer, you may not be able to remove it completely. In that case, check with your IT admin.
- If Outlook is syncing strangely after sign-out, uninstall the app, reinstall it, and add your account again.
Conclusion
Signing out of Outlook on iPhone is usually just a matter of removing the account from the app. Once you know where the account settings live, the process takes only a minute or two.
If your goal is privacy, switching accounts, or stopping notifications, you now have the right approach for each. Whether you remove the account, disable alerts, or delete the app entirely, you control what stays signed in on your iPhone.

Matthew Burleigh has been writing tech tutorials since 2008. His writing has appeared on dozens of different websites and been read over 50 million times.
After receiving his Bachelor’s and Master’s degrees in Computer Science he spent several years working in IT management for small businesses. However, he now works full time writing content online and creating websites.
His main writing topics include iPhones, Microsoft Office, Google Apps, Android, and Photoshop, but he has also written about many other tech topics as well.