>> X3F file

X3F file format description

Many people share .x3f files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .x3f file can be edited, converted or printed with. On this page, we try to provide assistance for handling .x3f files.

1 filename extension(s) found in our database.

.x3f - Sigma RAW Image

The X3F graphic files are related to Sigma Photo Pro Software. X3F file is a Sigma RAW Image. The X3F Mode stores the original settings of the image at point of capture. Photographers' personal modifications can be saved to the RAW, X3F file for future use.

Sigma Photo Pro Software
Graphic files
- / -
Sigma RAW Image related extensions:
PhotoWorks Image
Seattle FilmWorks Image
Extended Processed Image File
DICOM Bitmap Image
Samsung RAW Image
Rhino 3D Rendered Image

Naturally, other applications may also use the .x3f file extension. Even harmful programs can create .x3f files. Be especially cautious with .x3f files coming from an unknown source!

Can't open a .x3f file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .x3f file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

d3f, s3f, x3d, x3g, x3v, xef, xf, xrf, xwf

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Scanalyze Transform Data
IMVU Material File
MakerBot X3G Document
MechCommander 2 Encyclopedia File
X-Genics eManager Form Data
Slitherine 3D Model

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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If you have useful information about the .x3f file format, then write to us!

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