QCN File Extension

What is QCN file?

QCN is a file extension commonly associated with Qualcomm QPST Drive Backup files. Qualcomm QPST Drive Backup specification was created by QUALCOMM Incorporated. QCN file format is compatible with software that can be installed on Windows system platform. QCN file format, along with 619 other file formats, belongs to the Archive Files category. Qualcomm Product Support Tools is by far the most used program for working with QCN files. Qualcomm Product Support Tools software was developed by QUALCOMM Incorporated, and on its official website you may find more information about QCN files or the Qualcomm Product Support Tools software program.

Programs which support QCN file extension

The following listing features QCN-compatible programs. QCN files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

How to open file with QCN extension?

Being unable to open files with QCN extension can be have various origins. What is important, all common issues related to files with QCN extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. The list below will guide you through the process of addressing the encountered problem.

Step 1. Install Qualcomm Product Support Tools software

The most common reason for such problems is the lack of proper applications that supports QCN files installed on the system. The solution is straightforward, just download and install Qualcomm Product Support Tools. Above you will find a complete listing of programs that support QCN files, classified according to system platforms for which they are available. The safest method of downloading Qualcomm Product Support Tools installed is by going to developer’s website (QUALCOMM Incorporated) and downloading the software using provided links.

Step 2. Update Qualcomm Product Support Tools to the latest version

You still cannot access QCN files although Qualcomm Product Support Tools is installed on your system? Make sure that the software is up to date. Software developers may implement support for more modern file formats in updated versions of their products. The reason that Qualcomm Product Support Tools cannot handle files with QCN may be that the software is outdated. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using Qualcomm Product Support Tools.

Step 3. Assign Qualcomm Product Support Tools to QCN files

If the issue has not been solved in the previous step, you should associate QCN files with latest version of Qualcomm Product Support Tools you have installed on your device. The method is quite simple and varies little across operating systems.

Change the default application in Windows

• Right-click the QCN file and choose Open with option
• Click Choose another app and then select More apps option
• To finalize the process, select Look for another app on this PC entry and using the file explorer select the Qualcomm Product Support Tools installation folder. Confirm by checking Always use this app to open QCN files box and clicking OK button.

Change the default application in Mac OS

• From the drop-down menu, accessed by clicking the file with QCN extension, select Information
• Open the Open with section by clicking its name
• Select Qualcomm Product Support Tools and click Change for all...
• If you followed the previous steps a message should appear: This change will be applied to all files with QCN extension. Next, click the Continue button to finalize the process.

Step 4. Check the QCN for errors

You closely followed the steps listed in points 1-3, but the problem is still present? You should check whether the file is a proper QCN file. It is probable that the file is corrupted and thus cannot be accessed.

1. Check the QCN file for viruses or malware

If the file is infected, the malware that resides in the QCN file hinders attempts to open it. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. QCN file is infected with malware? Follow the steps suggested by your antivirus software.

2. Check whether the file is corrupted or damaged

If you obtained the problematic QCN file from a third party, ask them to supply you with another copy. 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 QCN extension was interrupted and the file data is defective. Download the file again from the same source.

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 Qualcomm QPST Drive Backup file again.

4. Check whether your system can handle Qualcomm Product Support Tools

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

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

Latest versions of programs and drivers may help you solve problems with Qualcomm QPST Drive Backup files and ensure security of your device and operating system. It is possible that one of the available system or driver updates may solve the problems with QCN files affecting older versions of given software.

Do you want to help?

If you have additional information about the QCN 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 QCN file.