DUO File Extension

What is DUO file?

DUO filename suffix is mostly used for Microsoft Access files. Microsoft Corporation defined the Microsoft Access format standard. DUO files are supported by software applications available for devices running Windows. DUO file format, along with 6033 other file formats, belongs to the Misc Files category. The most popular program for handling DUO files is Microsoft Access, but users can choose among 1 different programs that support this file format. Software named Microsoft Access was created by Microsoft Corporation. In order to find more detailed information on the software and DUO files, check the developer’s official website.

Programs which support DUO file extension

The following listing features DUO-compatible programs. Files with DUO 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 DUO extension?

There can be multiple causes why you have problems with opening DUO files on given system. What is important, all common issues related to files with DUO extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Get the Microsoft Access

The most common reason for such problems is the lack of proper applications that supports DUO files installed on the system. The most obvious solution is to download and install Microsoft Access or one to the listed programs: Microsoft Office. Above you will find a complete listing of programs that support DUO files, classified according to system platforms for which they are available. The safest method of downloading Microsoft Access installed is by going to developer’s website (Microsoft Corporation) and downloading the software using provided links.

Step 2. Update Microsoft Access to the latest version

If the problems with opening DUO files still occur even after installing Microsoft Access, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of Microsoft Access is available. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. The reason that Microsoft Access cannot handle files with DUO may be that the software is outdated. The most recent version of Microsoft Access is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Associate Microsoft Access files with Microsoft Access

If the issue has not been solved in the previous step, you should associate DUO files with latest version of Microsoft Access you have installed on your device. The next step should pose no problems. The procedure is straightforward and largely system-independent

Change the default application in Windows

• Clicking the DUO with right mouse button will bring a menu from which you should select the Open with option
• Select Choose another app → More apps
• The last step is to select Look for another app on this PC option supply the directory path to the folder where Microsoft Access is installed. Now all that is left is to confirm your choice by selecting Always use this app to open DUO files and clicking OK.

Change the default application in Mac OS

• From the drop-down menu, accessed by clicking the file with DUO extension, select Information
• Open the Open with section by clicking its name
• Select Microsoft Access and click Change for all...
• A message window should appear informing that This change will be applied to all files with DUO extension. By clicking Continue you confirm your selection.

Step 4. Check the DUO for errors

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

1. Check the DUO file for viruses or malware

Should it happed that the DUO is infected with a virus, this may be that cause that prevents you from accessing it. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. If the scanner detected that the DUO file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Check whether the file is corrupted or damaged

If you obtained the problematic DUO file from a third party, ask them to supply you with another copy. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. When downloading the file with DUO extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Verify whether your account has administrative rights

Some files require elevated access rights to open them. Switch to an account that has required privileges and try opening the Microsoft Access file again.

4. Check whether your system can handle Microsoft Access

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

5. Verify that your operating system and drivers are up to date

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with Microsoft Access files. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle DUO files.

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