Guide

How to open and convert HEIC files on Windows

Windows does not natively support HEIC images out of the box. If you have received iPhone photos or transferred them from your Apple device, you will need either a system extension or a conversion tool to view and use them.

Why Windows cannot open HEIC files by default

HEIC relies on the HEVC (H.265) video codec for its compression. While Apple licenses and bundles this codec in macOS and iOS at no additional cost, Microsoft does not include it in Windows by default. The HEVC codec is patented technology, and Microsoft would need to pay per-device licensing fees to bundle it.

Microsoft's solution was to make the codec available as a separate download from the Microsoft Store. The HEIF Image Extensions (which handle still images) are free, but the HEVC Video Extensions (needed for full HEIC support including Live Photos) cost a small fee. This split approach confuses many users who expect image viewing to just work.

Option 1: Install the HEIF Image Extensions

Open the Microsoft Store app on Windows 10 or 11 and search for "HEIF Image Extensions." Install the free extension published by Microsoft. After installation, Windows Photos, File Explorer thumbnails, and most built-in apps will be able to display HEIC images.

Note that this extension only adds viewing support. Many third-party Windows applications still will not recognize HEIC files even with the extension installed, because they rely on their own image decoders rather than the system-level codec. If you need to use HEIC photos in software like older Photoshop versions, GIMP, or web upload forms, conversion to JPEG is still necessary.

Option 2: Convert HEIC to JPEG before transferring

If you have access to a Mac, you can convert HEIC photos to JPEG before moving them to Windows. File Studio makes this especially efficient: drag your photos in, select JPEG output, and convert. Then transfer the JPEG files to your Windows machine via a shared drive, USB stick, or cloud storage.

On the iPhone itself, you can change a setting to automatically convert photos when transferring via USB. Go to Settings > Photos and select "Automatic" under "Transfer to Mac or PC." This tells iOS to convert HEIC to JPEG during USB transfers, though it does not affect AirDrop or cloud sync.

Option 3: Use File Studio on Windows

File Studio is also available for Windows, providing the same drag-and-drop HEIC conversion experience. Drop your HEIC files into the app, choose JPEG, PNG, or WebP as the output format, and convert instantly. Everything processes locally on your PC with no internet connection required.

This is particularly useful in offices or organizations where installing system-level codec extensions requires IT approval. File Studio runs as a standalone application and does not modify system codecs, so it works without administrator privileges on most configurations.

Why Windows does not support HEIC natively

Windows requires a codec extension to decode HEIC files because the underlying HEVC video codec is patent-encumbered. HEVC is covered by multiple patent pools (MPEG LA, Access Advance, and others), and licensing fees apply to software that includes an HEVC decoder. Microsoft chose not to bundle an HEVC codec with Windows due to these licensing costs, instead making it available as a paid extension from the Microsoft Store.

The HEIF Image Extensions (free) and HEVC Video Extensions (paid, approximately $0.99) must both be installed for Windows to handle HEIC files. The HEIF extension provides the container parsing, while the HEVC extension provides the actual image decompression. Without both, Windows Photo viewer, File Explorer thumbnails, and most Windows applications cannot render HEIC images.

Some PC manufacturers (Dell, HP, Lenovo) pre-install the HEVC codec on new machines as part of their licensing agreements with Microsoft. If you bought a pre-built PC, you may already have HEIC support without realizing it. Check by opening a .heic file in the Photos app; if it displays, the codecs are already present.

Conversion as a permanent solution for Windows users

While installing codec extensions enables viewing, it does not solve all compatibility problems. Many Windows applications, including older versions of Office, web browsers, and third-party image editors, still cannot open HEIC files even with the system codecs installed. These apps use their own image-loading code rather than relying on Windows' built-in decoders.

Converting HEIC to JPEG before transferring to Windows is the most reliable approach. You can do this on the iPhone itself (Settings, then Photos, then Transfer to Mac or PC, then Automatic), on a Mac using File Studio, or on the Windows PC using a local conversion tool.

For Windows users who regularly receive HEIC files, a batch converter that runs locally is essential. Avoid online converters for personal photos, as they require uploading your images to a third-party server. A local tool processes everything on your own machine, keeping your photos private.

Cross-platform photo sharing best practices

If you share photos between iPhone and Windows regularly, establish a consistent workflow. The simplest approach is to configure your iPhone to shoot in JPEG (Settings, then Camera, then Formats, then Most Compatible). This eliminates format issues at the source, though it doubles your phone's photo storage usage.

For iCloud Photos users on Windows, the iCloud for Windows app handles HEIC-to-JPEG conversion during download if you enable the Most Compatible transfer option on your iPhone. Google Photos similarly transcodes HEIC uploads into JPEG when you download them on a Windows PC through the web interface.

When sharing individual photos via email or messaging, both iMessage and most email clients on iPhone will convert to JPEG if the recipient is not on an Apple device. The format issue primarily affects bulk transfers via USB cable, file-sharing services, or cloud storage where the raw files are synced without conversion.

How to do it with File Studio