A daily updated filename extension database!

Details of the .t09 file extension

The table below provides useful information about the .t09 file extension. It answers questions such as:

  • What is the .t09 file?
  • What program do I need to open a .t09 file?
  • How can the .t09 file be opened, edited or printed?
  • Where can I find the specifications for .t09?
  • Which MIME-type is associated with the .t09 extension?
  • How can I convert .t09 files to another format?
  • What are other, similar filename extensions to .t09?

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

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

.t00 file extension details

TaxCut Federal Data

TaxCut Federal Data .t00 file icon
T01 file is a TaxCut Document. H&R Block TaxCut is a financial program. It is used to create and manage tax records.
T00 format description not yet available
Category: Data files
Application: TaxCut
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
T00 aliases:
t01, t02, t03, t04, t05, t06, t07, t08, t09, t99
T00 related links:
T00 related extensions:

Other types of files may also use the .t09 file extension.

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

WinRAR Archive
MicroStation Modification System Resource File
HEC-RAS Flow File
HEC-RAS Geometry File
open .t09 file

Can't open a .t09 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:

Table of Contents

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 .t09 file association, check the FAQ.

.t09 file extension

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 .t09 file extension, write to us!

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