A daily updated filename extension database!

T13 file extension

The table below provides useful information about the .t13 file extension. It answers questions such as:

  • What is the .t13 file?
  • What program do I need to open a .t13 file?
  • How can the .t13 file be opened, edited or printed?
  • How can I convert .t13 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

✅ At Home 2013 Tax Return Data

T13 file is an At Home 2013 Tax Return Data. H&R Block at Home is a tax preparation program offered by H&R Block.
T13 format description not yet available
Category: Data files
Application: At Home 2013
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
T13 aliases:
T13 related links:
T13 related extensions:
At Home 2012 Tax Return Data

At Home 2011 Tax Return Data

At Home 2010 Tax Return Data

Other types of files may also use the .t13 file extension.

🚫 The .t13 file extension is often given incorrectly!

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

f13, g13, h13, t1, t3, tw3

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Male MRI Image
MS-DOS 13-pixel Screen Font
At Home Canada 2013 Tax Return Data
TADS 3 Compiled Game
TCPWedge Configuration Data
CAMtastic Mid Layer Gerber Data

🔴 Can't open a .t13 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 .t13 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 .t13 file extension, write to us!

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