DUS File Extension

What is DUS file?

DUS is a file extension commonly associated with Readiris Font Dictionary files. Readiris Font Dictionary format was developed by I.R.I.S.. DUS file format is compatible with software that can be installed on Mac OS, Windows system platform. DUS file belongs to the Misc Files category just like 6033 other filename extensions listed in our database. The most popular program for handling DUS files is Readiris, but users can choose among 1 different programs that support this file format. Software named Readiris was created by I.R.I.S. s.a.. In order to find more detailed information on the software and DUS files, check the developer’s official website.

Programs which support DUS file extension

Below you will find an index of software programs that can be used to open DUS files divided into 2 categories according to system platform supported. Files with DUS 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 DUS extension?

Being unable to open files with DUS extension can be have various origins. Fortunately, most common problems with DUS files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Install Readiris software

The most common reason for such problems is the lack of proper applications that supports DUS files installed on the system. The solution is straightforward, just download and install Readiris. On the top of the page a list that contains all programs grouped based on operating systems supported can be found. The safest method of downloading Readiris installed is by going to developer’s website (I.R.I.S. s.a.) and downloading the software using provided links.

Step 2. Check the version of Readiris and update if needed

If you already have Readiris installed on your systems and DUS files are still not opened properly, check if you have the latest version of the software. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. This can be one of the causes why DUS files are not compatible with Readiris. The most recent version of Readiris is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Assign Readiris to DUS files

After installing Readiris (the most recent version) make sure that it is set as the default application to open DUS files. The method is quite simple and varies little across operating systems.

Change the default application in Windows

• Clicking the DUS with right mouse button will bring a menu from which you should select the Open with option
• Select Choose another app → More apps
• To finalize the process, select Look for another app on this PC entry and using the file explorer select the Readiris installation folder. Confirm by checking Always use this app to open DUS files box and clicking OK button.

Change the default application in Mac OS

• By clicking right mouse button on the selected DUS file open the file menu and choose 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 DUS extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Ensure that the DUS file is complete and free of errors

Should the problem still occur after following steps 1-3, check if the DUS file is valid. Problems with opening the file may arise due to various reasons.

1. Check the DUS file for viruses or malware

Should it happed that the DUS is infected with a virus, this may be that cause that prevents you from accessing it. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. If the DUS file is indeed infected follow the instructions below.

2. Ensure the file with DUS extension is complete and error-free

If the DUS file was sent to you by someone else, ask this person to resend the file to you. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. When downloading the file with DUS extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

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

Sometimes in order to access files user need to have administrative privileges. Switch to an account that has required privileges and try opening the Readiris Font Dictionary file again.

4. Make sure that the system has sufficient resources to run Readiris

If the system is under havy load, it may not be able to handle the program that you use to open files with DUS extension. In this case close the other applications.

5. Check if you have the latest updates to the operating system and drivers

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with Readiris Font Dictionary file. It is possible that one of the available system or driver updates may solve the problems with DUS files affecting older versions of given software.

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