OneDrive Error Codes

How to Fix OneDrive 'Sorry, an error has occurred' Error for Excel Files

Anum Mushtaq Oct 16, 2026 868 views

Question details

Users receive an error message when attempting to open an Excel file stored in OneDrive, and standard troubleshooting steps like restarting do not work.

Fix OneDrive 'Sorry, an error has occurred' Error

Product: Microsoft OneDrive and Excel
Device & OS: not provided
Scenario: Accessing an Excel spreadsheet stored in a OneDrive synced folder across multiple computers.
Observed behavior: The file fails to open and displays a 'Sorry, an error has occurred' message. Restarting the computer and signing out of the Microsoft account do not resolve the issue.

Before you start

Before attempting local fixes, try accessing the problematic Excel file directly through the OneDrive web portal to determine if the issue is limited to the desktop application.

Solution 1Recommended

Check Microsoft 365 Service Health Dashboard

Since this specific error is often caused by a Microsoft service-side change, verifying the server status is the most effective first step.

Microsoft occasionally applies service-side changes or experiences outages that temporarily disrupt access to OneDrive and SharePoint. When this happens, local fixes like restarting or signing out will not work.

Access the Admin Center

If you are using a work or school account, ask your IT administrator to log in to the Microsoft 365 admin center.

Navigate to Service Health

Go to Health > Service health in the left-hand menu.

Check OneDrive Status

Look for any active incidents or advisories related to OneDrive for Business or Microsoft Excel Online.

Monitor for Updates

If an incident is listed, Microsoft is already aware and working on a fix. Wait for the status to show as 'Resolved' before trying to open your file again.

Check Microsoft 365 Service Health Dashboard

Personal Accounts: If you are using a personal Microsoft account, you can check the public Microsoft Service Status page (status.office.com) for live outage reports.

Solution 2

Download a Local Copy via OneDrive Web

Bypass desktop sync errors by downloading the file directly from your browser.

Solution 3

Clear Office Document Cache

Clearing corrupted cache files can resolve stubborn errors if the service-side issue has already been fixed by Microsoft but your PC still shows the error.

Free Microsoft Office alternative

Avoid Cloud Sync Errors with WPS Office

If you frequently experience server errors and sync issues with Microsoft OneDrive and Excel, consider switching to WPS Office. It provides a lightweight, highly compatible alternative with its own reliable cloud storage for editing spreadsheets without interruption.

1. Download and Install WPS Office: Visit the official WPS website to download the free installation package and complete the setup process.
2. Open Your Spreadsheets: Launch WPS Spreadsheets and open your local or cloud-based Excel files directly.
3. Edit and Sync: Make your edits and easily save them locally or securely back them up using WPS Cloud.

Fully compatible with Microsoft Excel (.xlsx, .xls, .csv) formatsIncludes reliable and fast WPS Cloud storage to prevent sync errorsLightweight application that opens large spreadsheets in secondsFree to download and use with a familiar, user-friendly interface

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Frequently Asked Questions

Why does OneDrive say 'Sorry, an error has occurred' on multiple computers?

When an error appears simultaneously across multiple computers, it almost always indicates a server-side incident at Microsoft affecting OneDrive or SharePoint access, rather than a local hardware or software issue.

Will signing out and restarting my PC fix this OneDrive error?

If the error is caused by a Microsoft service outage, restarting your computer or signing out of your account will not resolve it. You must wait for Microsoft's engineers to restore the service.

How can I access my Excel file while OneDrive is down?

You can try disconnecting your computer from the internet and opening the file directly from your local OneDrive folder. If 'Files On-Demand' was not enabled for that file, the offline cached version should open.

Microsoft Office Error Codes