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How to Fix Excel Repeatedly Prompting for Microsoft Account Password
Question details
The user needs to resolve an issue where Excel continuously asks for Microsoft account login credentials when accessing files.
- Product
- Microsoft Excel
- Device & OS
- not provided
- Scenario
- Opening protected workbooks, accessing Shared Experiences, or connecting to authenticated locations like OneDrive or SharePoint.
- Observed behavior
- Excel repeatedly interrupts the workflow by requesting the user's Microsoft account password, even if the user has already signed in.
Ensure you are connected to a stable internet network and have your correct Microsoft account credentials handy before clearing any account settings.
Clear Outdated Office Credentials and Re-add Account
Removing old or corrupted login tokens from the Windows Credential Manager and signing in again resolves most authentication loops.
Often, Excel gets stuck in a login loop because the authentication token saved on your computer has expired or become corrupted. Forcing Windows to forget the old credentials and creating a fresh login session is the most effective way to fix this.
Open Microsoft Excel, navigate to 'File' > 'Account', and click 'Sign out' under your user profile. Close Excel and all other Office applications completely.
Click the Windows Start button, type 'Credential Manager' in the search bar, and press Enter to open the utility.
Select 'Windows Credentials'. Scroll down to the 'Generic Credentials' section, find any entries that start with 'MicrosoftOffice', click on them to expand, and select 'Remove'.
Reopen Excel, go back to 'File' > 'Account', click 'Sign In', and enter your updated Microsoft account email and password.
Access the File via Excel for the Web
If a specific file on OneDrive or SharePoint is triggering the prompt due to local sync issues, opening it in a web browser can bypass the error.
Update Microsoft Office
Installing the latest software updates can patch known bugs related to Microsoft account authentication and Shared Experiences.
Try WPS Office for a Hassle-Free Spreadsheet Experience
Tired of dealing with endless account prompts and authentication loops in Microsoft Excel? WPS Office offers a free, lightweight, and highly compatible alternative that lets you work on your spreadsheets seamlessly without complicated account restrictions.
- 1. Download WPS Office: Get the free installer from the official WPS website and complete the setup on your device.
- 2. Open WPS Spreadsheets: Launch the application and click on the 'Open' button on the home screen.
- 3. Edit your Excel file: Select your existing .xlsx or .xls file to open and edit it instantly without account barriers.
Frequently Asked Questions
Why does Excel keep asking for my password even though I am already signed in?
This usually happens when the saved login token in the Windows Credential Manager becomes corrupted, expired, or out of sync with Microsoft's servers. Clearing these old credentials and signing in again forces a fresh, valid token to be generated.
Can a password-protected workbook trigger this prompt?
Yes. If a workbook has file-level encryption applied by the author, Excel will prompt you for the specific password required to decrypt and open that file. This is a local file password and is completely separate from your Microsoft account login.
Does updating Office resolve the continuous password prompt?
Yes, Microsoft frequently releases patches for known authentication bugs and sync issues. Running an update by going to File > Account > Update Options and selecting 'Update Now' ensures you have the latest fixes installed.
How can I check if the issue is related to OneDrive or SharePoint sync?
If the password prompt only appears when opening files stored in the cloud (OneDrive or SharePoint) and not for files saved locally on your Desktop, the issue is likely related to cloud sync authentication. Pausing OneDrive sync or signing out and back into your cloud services often resolves this.
