How to Fix Outlook Stuck in Sign-in Loop? (Easy Methods)
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Primary Reasons of Outlook Stuck in Sign-in Loop
- Mirrored credentials applied in Windows Credential Manager have been damaged.
- Older desktop program versions without major authentication patches.
- Conflicts between browser plugins or cookies creating problems for the Microsoft 365 online log-in.
- Incorrectly set multi-factor authentication (MFA) or security rules.
- Loss of network connection resulting in the interruption of OAuth tokens exchange.
- Corrupted Outlook profile causing regular authentication loops.
How to Fix Outlook Stuck in Sign-in Loop?
Essential Safety Measure: Always ensure that Microsoft Outlook has been shut down and that you have consequently created a backup of essential data offline (.pst/.ost files) to avoid the risk of losing information before executing any changes to system credentials or deleting profile files so that you may avert the scenario to recover Outlook PST files.
Method 1: Delete Saved Credentials from your PC’s Credential Manager
Windows tends to keep expired or conflicting authentication tokens that create loops. To solve this:
- Type in “Credential Manager” in the Windows search bar and access it.
- Select Windows Credentials.
- Search for the links related to Microsoft Office, Outlook, or OneDrive.
- Select the relevant link and press Remove.
- Restart the computer and access Outlook.
Method 2: Clear Cache and Cookies from Browser
Microsoft Outlook desktop relies on the web browser in use as the latest OAuth authentication prompts occur through it.
- Access the web browser that is in use.
- Press Ctrl + Shift + Delete to open the window for clearing browsing data.
- Select Cookies and other site data and Cached images and files.
- Select All time option in the time range option and click Clear data.
Method 3: Make a New Profile in Outlook
If your current profile is corrupted, creating a new profile will consequently side-step issues with authenticated peers.
- Access the Control Panel, and look for ‘Mail’.
- Click on the option Show Profiles and select Add to create a new profile name.
- Complete the form by providing details concerning your account.
- Select the option – Prompt for a Profile to be used under the list of profiles or select your new profile as default.
Method 4: Update Outlook and Windows
Outdated versions of the software may contain bugs and viruses that interfere with the authentication process.
- Open Outlook and then click File > Office Account (or Account)
- Click on Update Options and select Update Now.
- Check whether there are any updates for your Windows Settings.
Do you find yourself stuck in login loops affecting your mailbox data? With the help of the BitRecover PST Converter Tool you can conveniently back up or convert your mailboxes and save crucial emails from getting lost.
Precautions for Preventing Outlook Stuck in Sign-in Loop
- Regularly keep your Outlook desktop program and operating system updated.
- Clear your web browser caches and cookies from time to time to avoid session conflicts.
- Credential Manager must not store any conflicting or old login credentials.
- In scenarios where you have to respond to concurrent multi-factor authentication (MFA) requests, maintain a stable internet connection.
- Make use of reliable security software that does not prevent OAuth authentication.
- Regularly back up all your Outlook profile information to reduce chances of corruption.
Conclusion
It can be quite annoying to be stuck in an Outlook sign-in loop. However, this challenge can be easily overcome by clearing cached credentials and moreover resetting the Outlook profile. Therefore, keeping your desktop applications, browser info, and security settings in good shape will help avoid similar login problems in the future. In addition, enjoy the smooth process of troubleshooting the issue.
FAQ
Q: What is causing Outlook stuck in the sign-in loop?
This issue is not uncommon; furthermore, it can occur due to various reasons such as credential cache corruption in Windows, problems with the web browser cookies, or an issue with the Outlook profile causing problems with OAuth.
Q: How can I delete the stored credentials?
To remove the stored credentials from Windows, one can access the Windows Credentials Manager, view the Windows Credentials, and delete the entries of Microsoft Office, Outlook, OneDrive, etc.
Q: Is creating a new email profile a possible solution to the sign-in issue?
Yes, consequently creating a new email profile using the Control Panel mail setting should help as it will moreover bypass the corrupt configuration files that trigger continuous sign-in requests.
Q: Will updating the Outlook application help with authentication issues?
Yes, the installation of the latest version of Office and Windows will moreover provide the applications with necessary bug fixes and security certificates for authentication processing.
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