raw format

What is a .ORF file?

ORF is Olympus/OM System’s raw photo format from OM-D and PEN cameras.

Full name
Olympus Raw Format
Developed by
Olympus
Released
2003
Extension
.orf
MIME type
image/x-olympus-orf
Transparency
No

How to open a ORF file

ORF opens in Lightroom, Capture One and OM Workspace.

What ORF files are used for

Professional photography

Maximum dynamic range and editing latitude.

Color grading

Recover highlights and shadows non-destructively.

Archival masters

Keep the untouched original alongside exports.

Strengths & limitations

✔ Strengths✖ Limitations
Maximum editing latitudeNo transparency support
Needs raw-capable software

Need more than a conversion?

Remove the background from ORF images, upscale to 4K, or generate new visuals with SharkFoto AI.

Frequently asked questions

ORF is Olympus/OM System’s raw photo format from OM-D and PEN cameras.

ORF opens in Lightroom, Capture One and OM Workspace.

ORF is an unprocessed raw container, so no detail is discarded.

Use SharkFoto's free tools — upload your ORF file and convert it to a more convenient format in seconds. It's free, processed securely and never stored.

No — ORF doesn't store transparency; convert to PNG or WEBP if you need it.