SharePoint Document Issues

Fix OneDrive or SharePoint PDF Files That Cannot Be Opened

Nimra Malik Oct 1, 2026 868 views

Question details

Certain PDF files stored in SharePoint are failing to open, load, or download, despite working initially when moved from OneDrive.

Fix OneDrive or SharePoint PDF Files That Become Impossible to Open

Product: OneDrive and SharePoint
Device & OS: not provided
Scenario: Accessing and opening PDF files that were uploaded to OneDrive and subsequently moved to a SharePoint library.
Observed behavior: PDF files produce errors stating they cannot be loaded, opened, or downloaded. This issue persists across multiple web browsers and affects specific files.

Before you start

Verify that you have an active internet connection and ensure your Microsoft 365 account has the correct viewing and downloading permissions for the affected SharePoint site.

Solution 1Recommended

Contact Microsoft 365 Support via Your Administrator

Since this is a backend server issue affecting specific files across multiple browsers, your Microsoft 365 Administrator needs to open a service request.

When PDF files suddenly become inaccessible across different web browsers, the problem typically resides within SharePoint's backend file service rather than your local computer. Resolving this requires technical investigation by Microsoft Support.

Identify Affected Files

Make a list of the exact SharePoint URLs or file names for the PDFs that are producing the loading or downloading errors.

Contact Your Administrator

Reach out to your organization's IT department or the designated Microsoft 365 administrator.

Open a Service Request

Ask the administrator to log in to the Microsoft 365 Admin Center, navigate to the Support section, and create a new service request.

Collect HAR Logs

Work with Microsoft Support to capture browser HAR (HTTP Archive) logs while attempting to open the affected PDFs. These logs will help the support team identify the service failure.

Contact Microsoft 365 Support via Your Administrator

What are HAR logs?: HAR logs record the network requests your browser makes. They are essential for Microsoft engineers to diagnose exactly where the connection drops when accessing SharePoint files.

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2. Install the Application: Run the downloaded installer and follow the on-screen instructions to set up WPS Office on your computer.
3. Open Your PDF Locally: Launch WPS Office, click 'Open', and select your locally saved PDF files to bypass any SharePoint or browser loading errors completely.

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Frequently Asked Questions

Why do my PDF files open fine at first but fail later in SharePoint?

This can happen due to file metadata corruption, background synchronization issues, or backend service interruptions that occur after the file has been moved from OneDrive to the SharePoint library.

Can clearing my browser cache resolve this SharePoint error?

Because the error occurs across multiple different browsers and affects only specific files, it is generally a server-side problem. However, clearing your cache or testing in an Incognito window is always a recommended first step to rule out local browser glitches.

Is there a way to bypass the browser and access these PDF files?

You can try using the OneDrive sync client to sync the SharePoint document library directly to your computer's File Explorer. This allows you to open the PDF files locally using a desktop application, which may bypass browser-based loading errors.

Document & File Issues