A daily updated filename extension database!

QL$ file extension

The table below provides useful information about the .ql$ file extension. It answers questions such as:

  • What is the .ql$ file?
  • What program do I need to open a .ql$ file?
  • How can the .ql$ file be opened, edited or printed?
  • How can I convert .ql$ files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ Compressed QuickBASIC Library

Compressed QuickBASIC Library .ql$ file icon
QL$ file is a Compressed QuickBASIC Library. Microsoft QuickBasic is an Integrated Development Environment (or IDE) and compiler for the BASIC programming language that was developed by Microsoft. Visual Basic was the successor of QuickBasic.
QL$ format description not yet available
Category: Development files
Application: Microsoft QuickBASIC
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
QL$ aliases:
QL$ related links:
QL$ related extensions:
BASIC Source

QuickBasic Coordinates File

QuickBasic Source Code

QuickBASIC Library

microBasic Source Code

microC Binary File

microC Library

QuickBasic Font Data

QuickBasic BLOAD/BSAVE Data

QuickBasic BLOAD Image

Other types of files may also use the .ql$ file extension.

🚫 The .ql$ file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:


Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

QEdit Data

🔴 Can't open a .ql$ file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .ql$ file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .ql$ file extension, write to us!

Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
This page is available in the following languages: Český Deutsch English Español Suomi Français Magyar Italiano 日本語 Nederlands Norsk Português Român Русский Svensk 中文