.T12 File

The t12 file extension is associated with the H&R Block At Home, accounting and tax preparation software for Apple Mac OS X (macOS) and Microsoft Windows operating systems.

The t12 file stores tax return financial data, including tax forms, state return, etc.

This t12 file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

Files with t12 file extension can be found as tax return files for the year 2012 prepared using the At Home accounting software.

How to open:

These files may probably be only imported/opened using At Home accounting software.

How to convert:

Tax return files can be generally exported to various reporting and document formats, including the PDF.