SharePoint Document Issues

Fix SharePoint Downloading Blank Files from Shared Folders on Mac

Amos GikundaAmos Gikunda Oct 23, 2026 868 views

Question details

Users experience automatic downloads of unreadable, blank files when attempting to open a shared SharePoint link.

Fix SharePoint Downloading Blank Files from Shared Folders on Mac
Product
SharePoint / Outlook
Device & OS
Mac
Scenario
Opening a SharePoint shared folder link received via the Outlook application on a macOS device.
Observed behavior
Instead of simply opening the shared folder, SharePoint automatically downloads several blank files with long, encrypted-looking GUID names.
Before you start

Ensure your Mac's default web browser is up to date and verify that you have the correct permissions to view the shared SharePoint folder.

Solution 1Recommended

Test with Outlook on the Web and Different Browsers

Isolating the issue by using web versions can determine if the local Outlook app or browser caching is causing the automatic downloads.

Sometimes the desktop version of Outlook on Mac handles SharePoint links differently than the web version, triggering unintended file downloads. Testing in an alternative environment helps identify the root cause.

1
Log into Outlook Web

Open a web browser, navigate to Outlook on the web, and log in to your account.

2
Open the shared link

Locate the email containing the SharePoint link and click it to see if the folder opens correctly without downloading blank files.

3
Switch browsers

If the issue persists, copy the SharePoint link and paste it into a completely different browser (such as Safari, Chrome, or Edge) to rule out browser-specific glitches.

Test with Outlook on the Web and Different Browsers
Browser Settings: You can also temporarily change your browser settings to 'Ask where to save each file before downloading' to block automatic downloads.
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Frequently Asked Questions

Why does SharePoint download blank files with long GUID names?

This usually happens due to a miscommunication between the Outlook desktop app and your Mac's default browser, causing the browser to download temporary reference files instead of rendering the web page.

Can I stop my browser from automatically downloading files from SharePoint?

Yes. You can go into your web browser's settings (such as Chrome or Safari preferences) and enable the option that asks where to save each file before downloading. This will prompt you to cancel the download of any unwanted blank files.

Does syncing with OneDrive fix SharePoint download errors?

Yes, utilizing the OneDrive sync client for Mac is a highly effective workaround. It connects the SharePoint library directly to your local Finder, allowing you to access and open files naturally without relying on browser-based downloads.