Can I get just found uncashed 16 and 17 year old federal tax refund checks replaced? How? Or is the money lost?

[xmasbaby0]

It is probably way too late, but you can try calling the IRS about your expired refund checks  1-800-829-0922

[Opus 17]

See this link to get new checks reissued. https://www.irs.gov/faqs/irs-procedures/refund-inquiries/refund-inquiries-0