Fix Microsoft Office Error Code 0xCAA70010 on Windows

Encountering the Office 365 error code 0xCAA70010? This prevents access to your applications and files. This guide provides practical solutions to resolve this frustrating login issue.

Office 365, encompassing Word, Excel, Outlook, and more, can occasionally experience problems. Error 0xCAA70010 can stem from network connectivity, incorrect login details, server issues, and other factors. Let's explore four troubleshooting steps:

Solution 1: Verify Network Connectivity

Ensure a stable internet connection. Slow internet can hinder Office 365 performance. Temporarily disable VPNs, proxies, and third-party antivirus software to see if they're interfering.

Solution 2: Disable Modern Authentication

Modern Authentication, a client-server security method, can sometimes cause this error. Disabling it might resolve the problem.

1. Press Win R to open the Run dialog.
2. Type regedit and press Enter to open the Registry Editor.
3. Navigate to HKEY_CURRENT_USER > SOFTWARE > Microsoft > Office > 1x.0 > Common > Identity (replace 1x.0 with your Office version).
4. Right-click in the right pane, select New > DWORD (32-bit) Value, and name it EnableADAL.
5. Double-click EnableADAL, set the Value data to 0, and click OK.

Solution 3: Clear Stored Credentials

Clearing cached credentials can address potential corruption.

1. Search for "Control Panel" and open it.
2. Select Large icons under "View by" and choose Credential Manager.
3. Under Windows Credentials, locate and remove your Microsoft 365 credentials. Confirm the removal.

Solution 4: Repair Office 365

If the previous solutions fail, try repairing your Office 365 installation.

1. Press Win R, type appwiz.cpl, and press Enter.
2. Locate Microsoft 365, right-click, and select Change.
3. Choose Online Repair and click Repair.

Restart your computer after the repair. If the error persists, consider reinstalling Office 365 from the official website.

Bonus Tip: Data Recovery

Data loss can occur due to software issues. MiniTool Power Data Recovery can help recover lost files from various scenarios.

Conclusion

Error 0xCAA70010 can have multiple causes. Work through these solutions sequentially. If you experience data loss, remember that data recovery tools are available to help.

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