A daily updated filename extension database!

Q09 file extension

The table below provides useful information about the .q09 file extension. It answers questions such as:

  • What is the .q09 file?
  • What program do I need to open a .q09 file?
  • How can the .q09 file be opened, edited or printed?
  • How can I convert .q09 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

✅ Intuit QuickTax 2009 Tax Return Data

Intuit QuickTax 2009 Tax Return Data .q09 file icon
The Q09 file is an Intuit QuickTax 2009 Tax Return Data. Intuit QuickTax 2009 is a complete PC-based software for Canadian tax preparers to prepare and file taxes.
Q09 format description not yet available
Category: Data files
Application: Intuit QuickTax 2009
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
Q09 aliases:
Q09 related links:
Q09 related extensions:
Intuit QuickTax 2009 Backup

Intuit QuickTax 2007 Tax Return Data

Intuit QuickTax 2008 Tax Return Data

Intuit QuickTax 2006 Tax Return Data

Other types of files may also use the .q09 file extension.

🚫 The .q09 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:

Q0 Bitmap Image

🔴 Can't open a .q09 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 .q09 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 .q09 file extension, write to us!

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