alphabetical list of extensions

File extension .T11

File description

The .t11 file refers to the Tax return file created by the At Home 2011 Tax return software. This utility file allows the user to fill the tax returns from their home with ease. Using this file the customers can fill the respective forms for the state or federal taxes to be payable to the IRS and the software creates the .t11 file with all the data about the tax configuration.

The file type is specific to the 2011 format for tax filing. The file allows automatic tax return submission to the tax agency online or can also allow a user to print the filled form for manual filing. The file is forward compatible but not backward compatible, meaning the .t11 file can be used for the 2012 software but cannot be supported by a 2010 software for the same file extension.

Description of the problem

If you have on your computer a .T11 file that you cannot open, you are in exactly the same situation as thousands of other people who have similar problems with this or any other unknown file.

There may be several reasons why you cannot open the file with .T11 extension. Directly on this website you can find a solution of the most common problem with the .T11 file – that you do not have on your computer the appropriate program to open the file.

Solution

From the list below, select the appropriate program, install it and double click on the icon of a file that did not want to open - the problem with the .T11 file extension should be solved. However, if this does not happen, go back to the website to learn about other possible causes of the error, which have been described at the bottom of the website.

Other possible reasons why your .T11 file does not want to open

In addition to the problem described above, i.e. the lack of the appropriate application to support the .T11 file, there may be several reasons that cause problems with opening and operation of the data format:

1. Incorrect version of the installed application

A quite common problem is the lack of application in the appropriate version. Even if you have an application, with the help of which you should open the .T11 file, you may have a problem with it because of its version. Perhaps in previous versions the application has not yet supported the .T11 file, so download the update and check again.

2. Incorrect .T11 file association with the program

If you have already installed the appropriate application, and it is the correct version, the file may not open correctly, because the operating system does not have information that this program supports the file. So you need to "show" which program the computer should use. To do this:

Right-click the .T11 file
Go to the "Open with" - then "Choose default program ..."
Locate the appropriate application
Click "OK"

3. The file is corrupt

It also happens that the file you want to open is corrupt and therefore there is no such possibility. In this situation, you should find its different version, or ask a person from whom you got, to send it again.