RAST File Extension

What is RAST file?

RAST filename suffix is mostly used for Sun Raster Bitmap Image files. RAST files are supported by software applications available for devices running Windows. RAST file belongs to the Graphic Files category just like 524 other filename extensions listed in our database. Users are advised to use XnView software for managing RAST files, although 2 other programs can also handle this type of file. Software named XnView was created by Pierre-Emmanuel Gougelet. In order to find more detailed information on the software and RAST files, check the developer’s official website.

Programs which support RAST file extension

The following listing features RAST-compatible programs. Files with RAST suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

How to open file with RAST extension?

Being unable to open files with RAST extension can be have various origins. What is important, all common issues related to files with RAST extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. We have prepared a listing of which will help you resolve your problems with RAST files.

Step 1. Get the XnView

The main and most frequent cause precluding users form opening RAST files is that no program that can handle RAST files is installed on user’s system. The most obvious solution is to download and install XnView or one to the listed programs: ACDSee Photo Manager, PMView Pro. Above you will find a complete listing of programs that support RAST files, classified according to system platforms for which they are available. One of the most risk-free method of downloading software is using links provided by official distributors. Visit XnView website and download the installer.

Step 2. Update XnView to the latest version

If you already have XnView installed on your systems and RAST files are still not opened properly, check if you have the latest version of the software. Software developers may implement support for more modern file formats in updated versions of their products. The reason that XnView cannot handle files with RAST may be that the software is outdated. The most recent version of XnView is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Associate Sun Raster Bitmap Image files with XnView

After installing XnView (the most recent version) make sure that it is set as the default application to open RAST files. The next step should pose no problems. The procedure is straightforward and largely system-independent

The procedure to change the default program in Windows

• Choose the Open with entry from the file menu accessed by right-mouse clicking on the RAST file
• Click Choose another app and then select More apps option
• Finally select Look for another app on this PC, point to the folder where XnView is installed, check the Always use this app to open RAST files box and conform your selection by clicking OK button

The procedure to change the default program in Mac OS

• From the drop-down menu, accessed by clicking the file with RAST extension, select Information
• Open the Open with section by clicking its name
• From the list choose the appropriate program and confirm by clicking Change for all....
• Finally, a This change will be applied to all files with RAST extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Verify that the RAST is not faulty

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the RAST file in question. Being unable to access the file can be related to various issues.

1. The RAST may be infected with malware – make sure to scan it with an antivirus tool.

If the RAST is indeed infected, it is possible that the malware is blocking it from opening. Scan the RAST file as well as your computer for malware or viruses. If the scanner detected that the RAST file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Verify that the RAST file’s structure is intact

Did you receive the RAST file in question from a different person? Ask him/her to send it one more time. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. It could happen the the download process of file with RAST extension was interrupted and the file data is defective. Download the file again from the same source.

3. Check if the user that you are logged as has administrative privileges.

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Log in using an administrative account and see If this solves the problem.

4. Check whether your system can handle XnView

The operating systems may note enough free resources to run the application that support RAST files. Close all running programs and try opening the RAST file.

5. Ensure that you have the latest drivers and system updates and patches installed

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with Sun Raster Bitmap Image file. It may be the case that the RAST files work properly with updated software that addresses some system bugs.

Do you want to help?

If you have additional information about the RAST file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on RAST file.