There is only one file type that uses the .T11 extension:
At Home 2011 Tax Return
Tax return created with H&R Block At Home 2011, a tax preparation program designed for home use; contains U.S tax forms and tax data for the 2011 tax year; may also include data for an individual state return; can be printed and mailed or filed electronically when completed.
At Home 2011 is developed and distributed by H&R Block, a professional tax preparation company. The software is available in Basic, Deluxe, Premium, and Premium & Business editions.
NOTE: At Home 2011 saves tax returns with a ".t11" file extension, but can also import data from At Home 2010 (.T10) files.
|H&R Block At Home||Commercial|
Updated: June 21, 2012