The T12 file is nothing but a data file which is a format is At Home 2012 Tax Return. The .t12 is created by H&R tax preparation software. Every year you have to file taxes. This software includes every information of tax forms and other required information. It contains information for both federal and state taxes. Using this software you can file returns directly online or in offline mode. At Home has got various options from Basic to deluxe. But for state you need to download a special version.
In addition to the problem described above, i.e. the lack of the appropriate application to support the .T12 file, there may be several reasons that cause problems with opening and operation of the data format:
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 .T12 file, you may have a problem with it because of its version. Perhaps in previous versions the application has not yet supported the .T12 file, so download the update and check again.
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:
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.
There may be several reasons why you cannot open the file with .T12 extension. Directly on this website you can find a solution of the most common problem with the .T12 file – that you do not have on your computer the appropriate program to open the file.