How to Fix Outlook Password Prompts and Error 0x800CCC0E
Question details
The user needs to resolve an issue where Outlook continuously prompts for a password and fails to synchronize emails, returning error code 0x800CCC0E.
- Product
- Microsoft Outlook
- Device & OS
- not provided
- Scenario
- Attempting to send or receive emails through the Outlook desktop application.
- Observed behavior
- Outlook repeatedly requests the account password and fails to send or receive messages, displaying error 0x800CCC0E, even though the user can successfully access their webmail in a browser.
Verify that your internet connection is active and ensure you have your correct email account password on hand before attempting to sign out and clear your cache.
Update Office and Launch Outlook in Safe Mode
Installing the latest Office updates resolves known bugs, while Safe Mode allows you to bypass conflicting add-ins that may trigger the password loop.
Conflicting background add-ins or outdated software are common culprits for repetitive authentication prompts and sync errors in Outlook.
Close all Microsoft Office applications. Sign out of your Office account completely, then restart your computer to ensure all background processes are cleared.
Open an Office application like Word or Excel, navigate to File > Account, click on 'Update Options', and select 'Update Now' to install the latest software updates.
Press the Windows key + R to open the Run dialog box. Type 'outlook.exe /safe' (without quotes) and press Enter to start Outlook in Safe Mode. Test sending and receiving an email.
Clear the Outlook RoamCache
Clearing corrupted cache files forces Outlook to rebuild its temporary data, which often clears stubborn 0x800CCC0E synchronization and authentication errors.
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Frequently Asked Questions
What does error 0x800CCC0E mean in Outlook?
Error 0x800CCC0E generally means that Outlook cannot establish a connection to your email server. This is frequently caused by incorrect port settings, corrupted local cache files, or conflicts with antivirus software blocking the connection.
Why does Outlook keep asking for my password even when it's correct?
Continuous password prompts usually occur when Outlook's cached credentials become corrupted, when there is a mismatch in your network security settings, or when third-party add-ins interfere with the authentication process to the Exchange or IMAP server.
Will deleting the RoamCache folder delete my actual emails?
No. The RoamCache folder only stores temporary data, such as autocomplete email addresses and synchronization logs. Deleting these files is perfectly safe; your actual emails are stored on the mail server and in your local PST or OST data files.
