QLB File Extension

QLB file icon
Microsoft QuickBasic Library
  • Developer
    Microsoft Corporation
  • Category
  • Popularity
    4 (1 votes)

What is QLB file?

Full format name of files that use QLB extension is Microsoft QuickBasic Library. Microsoft Corporation defined the Microsoft QuickBasic Library format standard. Files with QLB extension may be used by programs distributed for Windows platform. QLB file format, along with 4741 other file formats, belongs to the Misc Files category. The software recommended for managing QLB files is Microsoft Visual Studio. Software named Microsoft Visual Studio was created by Microsoft Corporation. In order to find more detailed information on the software and QLB files, check the developer’s official website.

Programs which support QLB file extension

Programs that can handle QLB files are as follows. Files with QLB suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

Programs that support QLB file

How to open file with QLB extension?

Problems with accessing QLB may be due to various reasons. Fortunately, most common problems with QLB files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The list below will guide you through the process of addressing the encountered problem.

Step 1. Get the Microsoft Visual Studio

The most common reason for such problems is the lack of proper applications that supports QLB files installed on the system. To address this issue, go to the Microsoft Visual Studio developer website, download the tool, and install it. It is that easy The full list of programs grouped by operating systems can be found above. One of the most risk-free method of downloading software is using links provided by official distributors. Visit Microsoft Visual Studio website and download the installer.

Step 2. Verify the you have the latest version of Microsoft Visual Studio

If the problems with opening QLB files still occur even after installing Microsoft Visual Studio, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of Microsoft Visual Studio is available. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. If you have an older version of Microsoft Visual Studio installed, it may not support QLB format. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using Microsoft Visual Studio.

Step 3. Set the default application to open QLB files to Microsoft Visual Studio

If the issue has not been solved in the previous step, you should associate QLB files with latest version of Microsoft Visual Studio you have installed on your device. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

Change the default application in Windows

  • Right-click the QLB file and choose Open with option
  • Next, select the Choose another app option and then using More apps open the list of available applications
  • The last step is to select Look for another app on this PC option supply the directory path to the folder where Microsoft Visual Studio is installed. Now all that is left is to confirm your choice by selecting Always use this app to open QLB files and clicking OK.

Change the default application in Mac OS

  • By clicking right mouse button on the selected QLB file open the file menu and choose Information
  • Open the Open with section by clicking its name
  • Select Microsoft Visual Studio and click Change for all...
  • If you followed the previous steps a message should appear: This change will be applied to all files with QLB extension. Next, click the Continue button to finalize the process.

Step 4. Check the QLB for errors

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the QLB file in question. Problems with opening the file may arise due to various reasons.

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

If the file is infected, the malware that resides in the QLB file hinders attempts to open it. Scan the QLB file as well as your computer for malware or viruses. If the QLB file is indeed infected follow the instructions below.

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

If the QLB 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. If the QLB file has been downloaded from the internet only partially, try to redownload it.

3. Ensure that you have appropriate access rights

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Switch to an account that has required privileges and try opening the Microsoft QuickBasic Library file again.

4. Verify that your device fulfills the requirements to be able to open Microsoft Visual Studio

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

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 Microsoft QuickBasic Library 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 QLB files affecting older versions of given software.

Do you want to help?

If you have additional information about the QLB 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 QLB file.

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