Files with the .T14 extension have multiple uses and can be manipulated in different ways depending on the software used. It's essential to understand which sort of .T14 file you're dealing with to employ the appropriate method to open or use it.

The most common use of the .T14 file extension is in connection with tax return data saved by US TurboTax 2014. This tax preparation software by Intuit enables users to create, print, and, e-file their income tax returns. If you're dealing with a .T14 file of this nature, you can open it using the TurboTax 2014 software. Visit Intuit's website to download or learn more about TurboTax.

On the other hand, .T14 file formats can also indicate Atari ST disk images. Atari ST is a home/personal computer system popular in the 80s and 90s. A .T14 file in this context is a disk image from this system, and is typically used by emulation software in order to replicate the Atari ST's operating environment. Emulator programs like Hatari or Steem SSE can open and utilize these .T14 files.

Lastly, .T14 files may also be used in the context of finance, particularly involving rights to payment data associated with arbitrated decisions. One of the commonly used platforms to handle such files is SPSS, a powerful statistical software tool. Read more about SPSS here.

Given the diverse use cases of the .T14 file extension, it's crucial to recognize the specific type of .T14 file you're dealing with. Using the wrong software to open your .T14 file may lead to data corruption or loss. Always backup your files before attempting to open them with a software program.