.T00 File

The t00 file extension - a tax return created by taxCut 2005 tax preparation software

TaxCut returns can only be opened by the version of TaxCut in which the return was created.

TaxCut was re-branded as "H&R Block At Home" for the 2009 tax year.

How to open:

Use TaxCut Home & Business to open t00 extension files.

How to convert:

Most of financial and accounting file types can be exported to OFX or QFX format, or even CSV (Comma Separated Value) format. For general information try to look at:Basic info how to convert accounting and tax files