File Extension Library

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.QLB File Extension

  • Developer by: Microsoft Corporation
  • Category: Miscellaneous Files

What is an .QLB file?

.QLB file extension is created by Microsoft Corporation. .QLB has been classified as Miscellaneous Files.

.QLB is Microsoft QuickBasic library file

The qlb file extension is associated with Microsoft QuickBasic and Visual Basic. QB-DOS quick library used with Microsoft QB.EXE, QBX.EXE, VBDOS.EXE, QuickC 1.0.

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How to open:

The qlb extension file is not meant to be opened manually by the user.

How to convert:

It is not possible to convert qlb extension files.

How to Open .QLB file on different platforms

Open .QLB File on Windows

  • Right-click a .QLB
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .QLB file and Select check box "Always use this app to open .QLB files" Press "Ok"

Open .QLB File on Mac

  • Right-click (or Ctrl + Left-click) the .QLB file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .QLB File on Linux

Right click on the .QLB file, choose "Open with" and select a program from the list above

Open .QLB File on iPhone

Select a file. If you don't see an application to open the .QLB file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .QLB File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .QLB files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .QLB files

  1. You need to update the application that you normally use to open .QLB files. Only the latest version of the software supports the current .QLB file format
  2. You need to check the .QLB file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)
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