File Cannot Open

How to Fix Word and PDF Files Not Opening in OneDrive on Mac

Khadija Khan Sep 27, 2026 869 views

Question details

User is unable to open Word documents and PDF files stored in OneDrive on a Mac device.

How to Fix Word and PDF Files That Will Not Open in OneDrive on Mac

Product: Microsoft OneDrive, Microsoft Word, macOS Preview
Device & OS: Mac (macOS)
Scenario: Attempting to access, read, or edit synced Word and PDF files from a OneDrive folder using a Mac.
Observed behavior: The files fail to open entirely due to potential file corruption, inadequate permissions, storage limitations, or application conflicts.

Before you start

Ensure your Mac has a stable internet connection and that the OneDrive desktop sync client is fully updated and actively running in your menu bar.

Solution 1Recommended

Verify File Integrity and Isolate the Location

Determine whether the problem lies with the specific file, the OneDrive sync app, or your local Mac storage.

Often, files fail to open because they are not fully synced or the local cache is corrupted. Testing the file from an alternate location helps pinpoint the exact cause of the error.

Download via OneDrive Web

Open your web browser, navigate to OneDrive online, sign in, and download the problematic Word or PDF file directly to your Mac's 'Downloads' folder.

Open the Local File

Double-click the newly downloaded file. If it opens successfully in Word or Preview, your local OneDrive sync client is likely the issue and may need a restart.

Check Storage Space

Click the Apple menu, select 'System Settings', and click 'General' > 'Storage'. Ensure your Mac has sufficient free space, as a full drive can prevent files from opening.

Verify File Integrity and Isolate the Location

Quick Tip: If the file opens perfectly via the web, simply pausing and resuming the OneDrive sync from the menu bar often resolves local syncing glitches.

Solution 2

Check File Permissions and App Status

Ensure your user account has the proper rights to open the file and that your applications are functioning correctly.

Solution 3

Test with macOS Preview and Contact Support

If PDFs fail to open in Apple's native Preview application, the issue might be related to macOS system settings or severe file corruption.

All-in-One Office Suite

Open Word and PDF Files Easily on Mac with WPS Office

If Microsoft Word or Apple Preview is experiencing errors, WPS Office for Mac can seamlessly open and edit both Word documents and PDF files in one lightweight application. It bypasses common Microsoft 365 syncing errors and offers robust local document management.

1. Install WPS Office for Mac: Download and install the free WPS Office application from the official website.
2. Launch the Application: Open WPS Office from your Launchpad or Applications folder and click 'Open' on the main dashboard.
3. Select the OneDrive File: Navigate to your local OneDrive folder using the Finder dialogue, select your Word or PDF file, and click 'Open'.
4. Read and Edit Instantly: View, annotate, or edit your documents instantly without relying on Microsoft 365 desktop apps or Apple Preview.

Fully compatible with Microsoft Word (.docx) and PDF formatsBuilt-in PDF reader and editor within a single Mac appBypasses common OneDrive and Office 365 loading errorsFree, lightweight, and optimized for smooth performance on macOS

microsoft office alternative - wps office

Frequently Asked Questions

Why do my Word documents open as read-only from OneDrive on my Mac?

This commonly occurs if the file is currently locked by another user, your Microsoft Office subscription requires reactivation, or your Mac user profile lacks 'Write' permissions for that specific folder in Finder.

How can I tell if my PDF file stored in OneDrive is completely corrupted?

If a PDF fails to open in multiple distinct applications (such as Apple Preview, Google Chrome, and alternative PDF readers) or displays completely blank pages when it does open, the file data itself is likely corrupted.

Can I use an alternative app like WPS Office to edit files directly in my Mac's OneDrive folder?

Yes. As long as your OneDrive desktop client is running and syncing, you can open, edit, and save files directly to the OneDrive folder using WPS Office. Any changes you save locally will automatically sync back to the cloud.

Document & File Issues