File Extension RAS

  • Full name
    Sun Raster Bitmap Format
  • Developer
    Sun Microsystems
  • Popularity
Have you encountered a problem with a RAS file? Don’t you know which program opens a file with this extension? You will find all the information you need about working with a RAS file here. In the further part of this page we have added a list of programs that should open your RAS file. It is enough you choose a proper application for your operating system, download and install it.


Files with the extension RAS contain bitmap images in Sun Raster format. This image format is the native format of the Sun Unix operating system. It can contain 1, 8, 24, or 32 bit color depth images that can be uncompressed or RLE compressed.
For these kind of files the extensions rast, sun, sr, rs and scr are also used.

Programs which can open a RAS file

How to open a RAS file? Advice and guidance

Absolutely most often appearing reason that prevents you from opening the RAS file is the lack of a proper application to support it in your operating system. It is notably the first thing you need to address. When one of the programs to support a RAS file from the list is already installed, you can try to rerun the file. The system should display a message asking you to choose a primary application to support RAS files. At this point we are looking for disk space where the application was installed in and we can link it with a RAS file. Since then, our operating system will use the selected program to support all RAS files.

Other issues

Despite the described problem with RAS there may be many more problems. If the existing operations were not effective, get involved with the following matters:

- verify that the RAS file is not damaged and that it has been downloaded or copied in whole
- verify that the file has a file extension that has not been intentionally changed (for example, if it do not contain other information than its extension suggests)
- make sure again whether the RAS file type is linked in the operating system with a proper program
- make sure that the file is not infected with a virus and you have up to date software and drivers.

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