Can I file my New York State income tax return electronically?

 Yes, you may file your New York State income tax return electronically. E-filed returns offer the advantages of computer filing accuracy, quicker processing of your return and automated acknowledgement of receipt.

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Department of Tax & Finance: E-file information for individuals
The NYS Department of Taxation and Finance Web site provides detailed information about electronic filing and payment of certain New York State taxes.
URL: http://www.tax.ny.gov/pit/efile/elf_individual.htm