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How to Fix Expired Cached Credentials and Office Deactivation Errors
Question details
The user needs to resolve synchronization failures and product deactivation alerts caused by expired cached credentials after changing their account password.
- Product
- Microsoft 365
- Device & OS
- not provided
- Scenario
- Attempting to use or synchronize Microsoft 365 desktop applications after recently updating the Microsoft account password.
- Observed behavior
- Office displays expired cached credentials warnings, fails to synchronize changes, reports that online services are unavailable, or incorrectly shows the product as deactivated despite an active subscription.
Verify that your Microsoft 365 subscription is active by checking your account online, and ensure you have administrative privileges on your computer to modify credential settings.
Clear Office Identity Credentials
Removing outdated cached passwords forces Office to prompt for your new credentials, resolving authentication conflicts.
When you change your password, the operating system may hold onto the old password in its local cache. Clearing these old entries ensures that Microsoft 365 authenticates using your updated login information.
Click the Start menu, type 'Credential Manager' into the search bar, and press Enter to open the utility.
Click on the 'Windows Credentials' tab to view all saved passwords on your local system.
Scroll down to the 'Generic Credentials' section. Look for any entries containing 'MicrosoftOffice' or 'mso'. Click on the downward arrow next to each and select 'Remove'.
Restart your computer, open any Office application like Word or Excel, and sign in again when prompted with your new password.
Roll Back to an Earlier Office Build
If the issue started immediately after a recent Office update, rolling back to the previous stable build can bypass the credential bug.
Repair or Reinstall Microsoft 365
A full online repair or reinstallation fixes corrupted Office installation files that might be causing persistent deactivation errors.
Switch to WPS Office for a Hassle-Free Experience
If Microsoft 365 activation errors, sync failures, and credential bugs continuously disrupt your workflow, consider switching to WPS Office. It provides a lightweight, highly compatible, and free alternative without complex subscription hurdles.
- 1. Download the Installer: Visit the official WPS website and download the free installer for your operating system.
- 2. Install the Software: Run the downloaded file and follow the simple on-screen instructions to complete the setup.
- 3. Open Your Files: Launch WPS Office and instantly open, edit, and save your existing Microsoft Office documents without format loss.
Frequently Asked Questions
Why does Office say my credentials have expired after a password change?
Office often retains your old password in the system's local Credential Manager cache. Until these outdated cached credentials are cleared manually, Office attempts to use them for authentication, resulting in expiration and sync errors.
How do I know if my Microsoft 365 subscription is actually active?
You can verify your subscription status by logging into your Microsoft account online. Navigate to the 'Services & subscriptions' page to ensure your plan is active and has not expired or been suspended.
Will clearing my Windows credentials delete my Office documents?
No. Clearing entries in the Credential Manager only removes saved login and authentication data. Your personal documents, emails, macros, and application preferences remain completely safe and untouched.
What should I do if clearing credentials and rolling back Office doesn't work?
If the problem persists, it is recommended to back up your Windows registry, completely uninstall Microsoft 365 using the official Microsoft Support and Recovery Assistant (SaRA) tool, and reinstall a fresh copy. You may also need to contact Microsoft Support for backend account synchronization issues.
