A daily updated filename extension database!

RAST file extension

The table below provides useful information about the .rast file extension. It answers questions such as:

  • What is the .rast file?
  • What program do I need to open a .rast file?
  • How can the .rast file be opened, edited or printed?
  • How can I convert .rast files to another format?

We hope you find this page helpful and a valuable resource!

0 extension(s) and 1 alias(es) found in database

✅ Sun Raster Image

RAS file is a Sun Raster Image. The Sun Raster image file format is the native bitmap format of the Sun Microsystems UNIX platforms using the SunOS operating system.
RAS format description not yet available
Category: Graphic files
Application: XnView
Mime-type: image/x-ras
Magic number: -
Magic string: -
RAS aliases:
im1, im32, im8, rast, rf, rs, sr, sun
RAS related links:
RAS related extensions:
Art Image

AT&T Group 4 Bitmap Image

Windows Bitmap Image

CALS Compressed Bitmap

CorelDraw Drawing

Computer Graphics Metafile

Corel Photo-Paint Image

Windows Custom Cursor

Dr. Halo Bitmap Image

Desktop Color Separation Image

Other types of files may also use the .rast file extension.

🔄 .rast converters

The following softwares are capable of converting .rast files to other formats:


For example, using the softwares above, a .rast file can be converted into one of the following formats:

j, mac, vob, fit, prt, g4, 92i, dc3, jpe, iss, prc, int, big, bmx, hdp

🚫 The .rast file extension is often given incorrectly!

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

ast, ras, rat, rawt, rst

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Adobe Color Separation Table
ANSYS Results Data
PICS Service Description
ClarisWorks Assistant
Atari ST NEOchrome Master Image
Houdini 3D Random Access Texture Map
ASTree Program
HD Workbench Truncated RAW Disk Data
Sun Raster Image
reStructuredText File

🔴 Can't open a .rast 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 cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .rast file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .rast file extension, write to us!

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