TQL file - How do I open a .tql file?
The table below provides useful information about the .tql file extension. It answers questions such as:
- What is the .tql file?
- What program do I need to open a .tql file?
- How can the .tql file be opened, edited or printed?
- How can I convert .tql files to another format?
Table of Contents
- ✅ Microsoft SQL Server Query Analyser Header
- 🔄 .tql file converters
- 🚫 .tql file related errors
We hope you find this page helpful and a valuable resource!
1 extension(s) and 0 alias(es) found in database
✅ Microsoft SQL Server Query Analyser Header

The TQL file is a Microsoft SQL Server Query Analyser Header. Microsoft SQL Server is a relational database management system developed by Microsoft.
Other types of files may also use the .tql file extension.
🚫 The .tql 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:
🔴 Can't open a .tql 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:
example.tql
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 .tql 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 .tql file extension, write to us!