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OneDrive File Issues

Fix: Cannot Preview or Open HEIC Images in OneDrive Web

Olivia MillerOlivia Miller Sep 28, 2026 868 views

Question details

Users are unable to preview or view most HEIC format images via the OneDrive web interface, although some smaller HEIC files might display correctly.

How to Fix Cannot Preview or Open HEIC Images in OneDrive for the Web
Product
OneDrive for the Web
Device & OS
not provided
Scenario
Viewing photo galleries or opening specific HEIC image files stored in OneDrive through a web browser.
Observed behavior
Most HEIC images fail to load or generate a preview in the web browser, displaying an error or blank screen instead, while smaller files might work.
Before you start

Ensure your web browser is updated to the latest version and verify that you have a stable internet connection before attempting to troubleshoot file compatibility.

Solution 1Recommended

Download the HEIC Image and Verify Locally

Determine if the file itself is valid or corrupted by downloading it to your local device and opening it with a compatible photo viewer.

Web browsers sometimes struggle to render specific HEIC metadata. By downloading the file, you can separate browser limitations from actual file corruption.

1
Select the Image

Log into OneDrive for the Web and check the circle in the upper-right corner of the HEIC image file you cannot preview.

2
Download the File

Click the 'Download' button from the top menu bar to save the file to your computer.

3
Open Locally

Use an HEIF-compatible application, such as Apple Preview on Mac or Windows Photos (with HEVC extensions installed), to open the downloaded file.

Download the HEIC Image and Verify Locally
Successful Local Verification: If the image opens successfully on your computer, the issue is strictly related to the web browser's preview capabilities, and your file is safe.
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Frequently Asked Questions

Why do some HEIC images open in OneDrive web but not others?

OneDrive's web viewer may struggle with larger HEIC files or images with complex metadata. Smaller HEIC files require less memory and processing power, making them easier for the browser to render.

Can I force OneDrive to automatically convert HEIC to JPEG?

While OneDrive doesn't automatically convert existing HEIC files to JPEG on the web, if you upload photos from an iPhone using the mobile OneDrive app, you can go to Settings and set the app to upload images natively in JPG format.

Do I need special software to open downloaded HEIC files on Windows?

Yes, Windows 10 and 11 usually require the HEIF Image Extensions and HEVC Video Extensions. These can be downloaded from the Microsoft Store to natively view HEIC files in the default Windows Photos app.

Will clearing my browser cache fix the HEIC preview issue?

Sometimes. If a previous attempt to load the image resulted in a corrupted cached preview, clearing your browser's cache and cookies can force OneDrive to generate a fresh preview request.